适用范围:SQL Server 为每个 XML 架构组件返回一行,该组件是 T 的类型symbol_space。 展开表 列名称数据类型说明 <inherited columns> 从sys.xml_schema_components 继承列。 is_abstract bit 1 = 类型是抽象类型。 此类型的元素的所有实例都必须使用 xsi:type 来指示不是抽象的派生类型。 0 = ...
One schema document for the Sqltypes namespace, and for which the base SQL types are being returned. Another schema document that describes the shape of the FOR XML query result. Also, if any typed xml data types are included in the query result, the schemas associated with those ...
一个INFORMATION_SCHEMA 表和两个 Performance Schema 表可以监视InnoDB事务并诊断潜在的锁问题。 INNODB_TRX :这个INFORMATION_SCHEMA表提供了当前在InnoDB内执行的每个事务的信息,包括事务状态(例如,它是正在运行还是正在等待锁),事务何时启动,以及事务正在执行的特定SQL语句。 data_locks :这个Performance Schema表为每个...
Return Types Remarks Show 2 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric Returns the schema name associated with a schema ID. ...
SqlDateTime SqlDecimal SqlDouble SqlFileStream SqlGuid SqlInt16 SqlInt32 SqlInt64 SqlMoney SqlNotFilledException SqlNullValueException SqlSingle SqlString SqlTruncateException SqlTypeException SqlTypesSchemaImporterExtensionHelper SqlTypesSchemaImporterExtensionHelper 构造函数 字段 方法 ImportSchemaType SqlXml Stora...
The file-opening optimization types are denoted thus: SKIP_OPEN_TABLE: Table files do not need to be opened. The information has already become available within the query by scanning the database directory. OPEN_FRM_ONLY: Only the table's.frmfile need be opened. ...
If a public synonym has any dependent tables or user-defined types, then you cannot create an object with the same name as the synonym in the same schema as the dependent objects. If a synonym does not have any dependent tables or user-defined types, then you can create an...
the remaining columns are reordered so that the sequence has no gaps. ThePOSvalue for a virtual generated column encodes the column sequence number and ordinal position of the column. For more information, see thePOScolumn description inSection 28.4.29, “The INFORMATION_SCHEMA INNODB_VIRTUAL Table...
Schema changes are not mapped to previous versions of data types. For example, if the statement ALTER TABLE ADD datetime2 column is used in SQL Server 2012 (11.x), the data type is not translated to nvarchar for SQL Server 2005 (9.x) Subscribers. In some cases, schema changes are ...
Below is the compiled typescript types: exporttypeauthority="OWNER"|"ADMINISTRATOR"|"MEMBER"|"CUSTOM"exportinterfaceuser_info{birthday:Date;favorite_color:string;first_pet_name:string;pet_authority:authority;};exportinterfaceuser{id:string;username:string;password_hash:string;description?:string;picture?