diff --git a/41ff469e-4398-448b-ae5e-4ecec8e562ec.xml b/41ff469e-4398-448b-ae5e-4ecec8e562ec.xml
deleted file mode 100644
index 271537fe8c..0000000000
--- a/41ff469e-4398-448b-ae5e-4ecec8e562ec.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version = "1.0"?>
-
-<XSPEC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xspec.xsd">
-    <semanticDatabaseName></semanticDatabaseName>
-    <databaseName>mongo</databaseName>
-    <databaseSystemName>mongo</databaseSystemName>
-    <databaseSchemaName></databaseSchemaName>
-    <databaseId>80020202</databaseId>
-    <databaseProductName>MongoDB</databaseProductName>
-    <databaseProductVersion></databaseProductVersion>
-    <urlJDBC>jdbc:mongodb://39.103.230.66:27017/mongo?rebuildschema=true&amp;authSource=admin&amp;schema=41ff469e-4398-448b-ae5e-4ecec8e562ec.xml</urlJDBC>
-    <driverName>mongodb.jdbc.MongoDriver</driverName>
-    <driverClass>mongodb.jdbc.MongoDriver</driverClass>
-    <delimitId>"</delimitId>
-    <catalogsIncluded></catalogsIncluded>
-    <tablesIncluded></tablesIncluded>
-    <tablesExcluded></tablesExcluded>
-
-</XSPEC>
diff --git a/4362e265-5fbd-49d7-9e63-d88d82efe3fe.xml b/4362e265-5fbd-49d7-9e63-d88d82efe3fe.xml
deleted file mode 100644
index 413c085177..0000000000
--- a/4362e265-5fbd-49d7-9e63-d88d82efe3fe.xml
+++ /dev/null
@@ -1,149 +0,0 @@
-<?xml version = "1.0"?>
-
-<XSPEC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xspec.xsd">
-    <semanticDatabaseName></semanticDatabaseName>
-    <databaseName>dataease</databaseName>
-    <databaseSystemName>dataease</databaseSystemName>
-    <databaseSchemaName></databaseSchemaName>
-    <databaseId>80020202</databaseId>
-    <databaseProductName>MongoDB</databaseProductName>
-    <databaseProductVersion></databaseProductVersion>
-    <urlJDBC>jdbc:mongodb://123.56.8.132:27017/dataease?rebuildschema=true&amp;authSource=admin&amp;schema=4362e265-5fbd-49d7-9e63-d88d82efe3fe.xml</urlJDBC>
-    <driverName>mongodb.jdbc.MongoDriver</driverName>
-    <driverClass>mongodb.jdbc.MongoDriver</driverClass>
-    <delimitId>"</delimitId>
-    <catalogsIncluded></catalogsIncluded>
-    <tablesIncluded></tablesIncluded>
-    <tablesExcluded></tablesExcluded>
-
-   <TABLE>
-        <semanticTableName>books</semanticTableName>
-        <tableName>"books"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1000</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>author</semanticFieldName>
-        <fieldName>"author"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>category</semanticFieldName>
-        <fieldName>"category"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createddate</semanticFieldName>
-        <fieldName>"createdDate"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>onsale</semanticFieldName>
-        <fieldName>"onSale"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>price</semanticFieldName>
-        <fieldName>"price"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>6</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>title</semanticFieldName>
-        <fieldName>"title"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>7</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_books</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-</XSPEC>
diff --git a/4f82b572-237c-4832-b98b-5cf9353d0292.xml b/4f82b572-237c-4832-b98b-5cf9353d0292.xml
deleted file mode 100644
index 4e27378598..0000000000
--- a/4f82b572-237c-4832-b98b-5cf9353d0292.xml
+++ /dev/null
@@ -1,329 +0,0 @@
-<?xml version = "1.0"?>
-
-<XSPEC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xspec.xsd">
-    <semanticDatabaseName></semanticDatabaseName>
-    <databaseName>dataease</databaseName>
-    <databaseSystemName>dataease</databaseSystemName>
-    <databaseSchemaName></databaseSchemaName>
-    <databaseId>80020202</databaseId>
-    <databaseProductName>MongoDB</databaseProductName>
-    <databaseProductVersion></databaseProductVersion>
-    <urlJDBC>jdbc:mongodb://123.56.8.132:27018/dataease?rebuildschema=true&amp;authSource=admin&amp;schema=4f82b572-237c-4832-b98b-5cf9353d0292.xml</urlJDBC>
-    <driverName>mongodb.jdbc.MongoDriver</driverName>
-    <driverClass>mongodb.jdbc.MongoDriver</driverClass>
-    <delimitId>"</delimitId>
-    <catalogsIncluded></catalogsIncluded>
-    <tablesIncluded></tablesIncluded>
-    <tablesExcluded></tablesExcluded>
-
-   <TABLE>
-        <semanticTableName>books</semanticTableName>
-        <tableName>"books"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1000</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>author</semanticFieldName>
-        <fieldName>"author"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>category</semanticFieldName>
-        <fieldName>"category"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createddate</semanticFieldName>
-        <fieldName>"createdDate"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>onsale</semanticFieldName>
-        <fieldName>"onSale"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>price</semanticFieldName>
-        <fieldName>"price"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>6</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>title</semanticFieldName>
-        <fieldName>"title"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>7</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_books</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-   <TABLE>
-        <semanticTableName>jinlong</semanticTableName>
-        <tableName>"jinlong"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>16</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>24</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>24</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>24</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>cnecustuuid</semanticFieldName>
-        <fieldName>"cneCustUUID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>groupid</semanticFieldName>
-        <fieldName>"groupID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>parentcnecustuuid</semanticFieldName>
-        <fieldName>"parentCneCustUUID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>parentname</semanticFieldName>
-        <fieldName>"parentName"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_jinlong</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-   <TABLE>
-        <semanticTableName>runoob</semanticTableName>
-        <tableName>"runoob"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>24</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>24</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>24</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createdat</semanticFieldName>
-        <fieldName>"createdAt"</fieldName>
-        <dataType>93</dataType>
-        <dataTypeName>timestamp</dataTypeName>
-        <fieldSize>25</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>25</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>25</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>name</semanticFieldName>
-        <fieldName>"name"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>userid</semanticFieldName>
-        <fieldName>"userId"</fieldName>
-        <dataType>8</dataType>
-        <dataTypeName>double</dataTypeName>
-        <fieldSize>20</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>21</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>20</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_runoob</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-</XSPEC>
diff --git a/88be14e4-8d6c-4798-a153-7035a023f269.xml b/88be14e4-8d6c-4798-a153-7035a023f269.xml
deleted file mode 100644
index 20915ee6ca..0000000000
--- a/88be14e4-8d6c-4798-a153-7035a023f269.xml
+++ /dev/null
@@ -1,329 +0,0 @@
-<?xml version = "1.0"?>
-
-<XSPEC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xspec.xsd">
-    <semanticDatabaseName></semanticDatabaseName>
-    <databaseName>dataease</databaseName>
-    <databaseSystemName>dataease</databaseSystemName>
-    <databaseSchemaName></databaseSchemaName>
-    <databaseId>80020202</databaseId>
-    <databaseProductName>MongoDB</databaseProductName>
-    <databaseProductVersion></databaseProductVersion>
-    <urlJDBC>jdbc:mongodb://123.56.8.132:27018/dataease?rebuildschema=true&amp;authSource=admin&amp;schema=88be14e4-8d6c-4798-a153-7035a023f269.xml</urlJDBC>
-    <driverName>mongodb.jdbc.MongoDriver</driverName>
-    <driverClass>mongodb.jdbc.MongoDriver</driverClass>
-    <delimitId>"</delimitId>
-    <catalogsIncluded></catalogsIncluded>
-    <tablesIncluded></tablesIncluded>
-    <tablesExcluded></tablesExcluded>
-
-   <TABLE>
-        <semanticTableName>books</semanticTableName>
-        <tableName>"books"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1000</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>author</semanticFieldName>
-        <fieldName>"author"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>category</semanticFieldName>
-        <fieldName>"category"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createddate</semanticFieldName>
-        <fieldName>"createdDate"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>onsale</semanticFieldName>
-        <fieldName>"onSale"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>price</semanticFieldName>
-        <fieldName>"price"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>6</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>title</semanticFieldName>
-        <fieldName>"title"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>7</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_books</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-   <TABLE>
-        <semanticTableName>jinlong</semanticTableName>
-        <tableName>"jinlong"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>16</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>24</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>24</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>24</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>cnecustuuid</semanticFieldName>
-        <fieldName>"cneCustUUID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>groupid</semanticFieldName>
-        <fieldName>"groupID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>parentcnecustuuid</semanticFieldName>
-        <fieldName>"parentCneCustUUID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>parentname</semanticFieldName>
-        <fieldName>"parentName"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_jinlong</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-   <TABLE>
-        <semanticTableName>runoob</semanticTableName>
-        <tableName>"runoob"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>24</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>24</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>24</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createdat</semanticFieldName>
-        <fieldName>"createdAt"</fieldName>
-        <dataType>93</dataType>
-        <dataTypeName>timestamp</dataTypeName>
-        <fieldSize>25</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>25</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>25</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>name</semanticFieldName>
-        <fieldName>"name"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>userid</semanticFieldName>
-        <fieldName>"userId"</fieldName>
-        <dataType>8</dataType>
-        <dataTypeName>double</dataTypeName>
-        <fieldSize>20</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>21</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>20</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_runoob</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-</XSPEC>
diff --git a/a348e520-a0a1-460f-970f-042232d0a68f.xml b/a348e520-a0a1-460f-970f-042232d0a68f.xml
deleted file mode 100644
index 3d369992a5..0000000000
--- a/a348e520-a0a1-460f-970f-042232d0a68f.xml
+++ /dev/null
@@ -1,329 +0,0 @@
-<?xml version = "1.0"?>
-
-<XSPEC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xspec.xsd">
-    <semanticDatabaseName></semanticDatabaseName>
-    <databaseName>dataease</databaseName>
-    <databaseSystemName>dataease</databaseSystemName>
-    <databaseSchemaName></databaseSchemaName>
-    <databaseId>80020202</databaseId>
-    <databaseProductName>MongoDB</databaseProductName>
-    <databaseProductVersion></databaseProductVersion>
-    <urlJDBC>jdbc:mongodb://123.56.8.132:27018/dataease?rebuildschema=true&amp;authSource=admin&amp;schema=a348e520-a0a1-460f-970f-042232d0a68f.xml</urlJDBC>
-    <driverName>mongodb.jdbc.MongoDriver</driverName>
-    <driverClass>mongodb.jdbc.MongoDriver</driverClass>
-    <delimitId>"</delimitId>
-    <catalogsIncluded></catalogsIncluded>
-    <tablesIncluded></tablesIncluded>
-    <tablesExcluded></tablesExcluded>
-
-   <TABLE>
-        <semanticTableName>books</semanticTableName>
-        <tableName>"books"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1000</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>author</semanticFieldName>
-        <fieldName>"author"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>category</semanticFieldName>
-        <fieldName>"category"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createddate</semanticFieldName>
-        <fieldName>"createdDate"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>onsale</semanticFieldName>
-        <fieldName>"onSale"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>price</semanticFieldName>
-        <fieldName>"price"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>6</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>title</semanticFieldName>
-        <fieldName>"title"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>7</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_books</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-   <TABLE>
-        <semanticTableName>jinlong</semanticTableName>
-        <tableName>"jinlong"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>16</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>24</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>24</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>24</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>cnecustuuid</semanticFieldName>
-        <fieldName>"cneCustUUID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>groupid</semanticFieldName>
-        <fieldName>"groupID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>parentcnecustuuid</semanticFieldName>
-        <fieldName>"parentCneCustUUID"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>5</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>parentname</semanticFieldName>
-        <fieldName>"parentName"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_jinlong</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-   <TABLE>
-        <semanticTableName>runoob</semanticTableName>
-        <tableName>"runoob"</tableName>
-        <schemaName>dataease</schemaName>
-        <catalogName></catalogName>
-        <caseSensitive>true</caseSensitive>
-        <comment></comment>
-        <numTuples>1</numTuples>
-     <FIELD>
-        <semanticFieldName>_id</semanticFieldName>
-        <fieldName>"_id"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>24</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>24</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>24</characterOctetLength>
-        <ordinalPosition>1</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>createdat</semanticFieldName>
-        <fieldName>"createdAt"</fieldName>
-        <dataType>93</dataType>
-        <dataTypeName>timestamp</dataTypeName>
-        <fieldSize>25</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>25</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>25</characterOctetLength>
-        <ordinalPosition>4</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>name</semanticFieldName>
-        <fieldName>"name"</fieldName>
-        <dataType>12</dataType>
-        <dataTypeName>varchar</dataTypeName>
-        <fieldSize>16793600</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>16793600</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>16793600</characterOctetLength>
-        <ordinalPosition>2</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <FIELD>
-        <semanticFieldName>userid</semanticFieldName>
-        <fieldName>"userId"</fieldName>
-        <dataType>8</dataType>
-        <dataTypeName>double</dataTypeName>
-        <fieldSize>20</fieldSize>
-        <decimalDigits>0</decimalDigits>
-        <numberRadixPrecision>21</numberRadixPrecision>
-        <remarks></remarks>
-        <defaultValue></defaultValue>
-        <characterOctetLength>20</characterOctetLength>
-        <ordinalPosition>3</ordinalPosition>
-        <isNullable></isNullable>
-        <numDistinctValues>0</numDistinctValues>
-     </FIELD>
-
-     <PRIMARYKEY>
-        <keyName>pk_runoob</keyName>
-        <keyType>1</keyType>
-        <FIELDS>
-        <fieldName>"_id"</fieldName>
-        </FIELDS>
-     </PRIMARYKEY>
-
-   </TABLE>
-
-</XSPEC>