SQL USEAdventureWorks; GOSELECTccu.TABLE_SCHEMA, ccu.TABLE_NAME, ccu.COLUMN_NAME, cc.CONSTRAINT_SCHEMA, cc.CONSTRAINT_NAME, cc.CHECK_CLAUSEFROMINFORMATION_SCHEMA.CHECK_CONSTRAINTSASccINNERJOININFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGEASccuONcc.CONSTRAINT_NAME = ccu.CONSTRAINT_NAME;...
重要:請勿使用INFORMATION_SCHEMA檢視來判斷對象的架構。 INFORMATION_SCHEMA檢視只代表 物件的元數據子集。 尋找物件架構的唯一可靠方法是查詢sys.objects目錄檢視。 CONSTRAINT_NAMEsysname條件約束名稱。 CHECK_CLAUSEnvarchar(4000)Transact-SQL 定義語句的實際文字。
In contrast to PostgreSQL, SQL Server’ssys.tablesdoesn’t directly store the schema name. Instead, it references schemas using a unique identifier calledschema_id. To retrieve the schema’s name based on its identifier, we use theSCHEMA_NAME()function. Likepg_tablesin PostgreSQL,sys.tablesin ...
[Microsoft.Data.Schema.Sql] [Microsoft.Data.Schema.Tools] 提示 按住Ctrl 键同时单击,以选择多个组件。 选择了所有所需的组件后,单击**“确定”**。 此时将在**“解决方案资源管理器”中该项目的“引用”**节点下显示所选的引用。 (可选,仅限 Visual Basic)在**“解决方案资源管理器”中,单击“显示...
CONSTRAINT_SCHEMA nvarchar(128) 约束所属架构的名称。 重要说明:请勿使用 INFORMATION_SCHEMA 视图来确定对象的架构。 INFORMATION_SCHEMA 视图仅表示对象的元数据子集。 查找对象架构的唯一可靠的方式是查询 sys.objects 目录视图。 CONSTRAINT_NAME sysname 约束名称。 CHECK_CLAUSE nvarchar(4000) Tran...
TheCHECK_CONSTRAINTStable has these columns: CONSTRAINT_CATALOG The name of the catalog to which the constraint belongs. This value is alwaysdef. CONSTRAINT_SCHEMA The name of the schema (database) to which the constraint belongs. CONSTRAINT_NAME ...
./pgcheck alltoast database schema : list all toasts and their corresponding tables ./pgcheck reltoast database relname : list the toast information of the specified table ./pgcheck dbstatus database : list all database status and statistics ...
Check all tables in all databases. This is the same as using the--databasesoption and naming all the databases on the command line, except that theINFORMATION_SCHEMAandperformance_schemadatabases are not checked. They can be checked by explicitly naming them with the--databasesoption. ...
analyze table清空来自information_schema.innodb_tablestats的表统计信息,并设置STATS_INITIALIZED列的值为Uninitialized。下次访问表时将再次收集统计信息。 4.2 CHECK TABLE Syntax CHECK TABLE tbl_name [, tbl_name] … [option] … #表名不能重复 option: { ...
SqlPoolSchema SqlPoolSchemaListResult SqlPoolSchemas SqlPoolSchemasGetOptionalParams SqlPoolSchemasGetResponse SqlPoolSchemasListNextOptionalParams SqlPoolSchemasListNextResponse SqlPoolSchemasListOptionalParams SqlPoolSchemasListResponse SqlPoolsCreateOptionalParams SqlPoolsCreateResponse SqlPoolsDeleteOptionalParams Sql...