创建一个用户自定义表类型(User-Defined Table Type) CREATETYPE[dbo].[MyTypeName]ASTABLE([Field1][nvarchar](50)NOTNULL,[Field2][nvarchar](100)NULL,[Field3][nvarchar](50)NULL,[Field4][nvarchar](20)NULL,[Field5][nvarchar](20)NULL)GO 直接使用sql: declare@infosMyTypeNameinsertinto@infosselect'...
UserDefinedTableType类型公开以下成员。 方法 展开表 名称说明 AddDatabaseContext(StringCollection)将数据库上下文添加到 queries 参数标识的查询集合。 (从SqlSmoObject继承。) AddDatabaseContext(StringCollection, ScriptingOptions)将数据库上下文添加到 queries 参数标识的查询集合,并且使用指定的脚本选项。 (从SqlSmo...
User-defined functions cannot be called within the definition of computed columns of a user-defined table type. Security Permissions for user-defined table types follow the object security model for SQL Server by using the following Transact-SQL keywords: CREATE, GRANT, DENY, ALTER, CONTROL, TAKE...
UserNameNVARCHAR(200) )GODECLARE@Tdbo.utTestINSERTINTO@T(UserID,UserName)SELECT1,'C1'UNIONSELECT2,'C2'SELECT*FROM@TGODROPTYPE dbo.utTestGO--===--User defined data typeCREATETYPE[dbo].[udTest]FROM[int]NULLGODECLARE@T[dbo].[udTest]SET@T=10SELECT@TGODROPTYPE[dbo].[udTest]...
是变长字符型么？修改长度有个要求，就是这个字段上不能有约束。主键或者外键，都不行。SQLSERVER修改语法：alter table 表名 alter column 字段名 varchar(新长度)ORACLE alter table 表名 modify 字段名 varchar2(新长度)
UserDefinedTableType 类 UserDefinedTableType 类 UserDefinedTableType 构造函数 UserDefinedTableType 字段 UserDefinedTableType 方法 UserDefinedTableType 属性 UserDefinedTableType 事件 UserDefinedTableTypeCollection 类 UserDefinedType 类 UserDefinedTypeCollection 类 UserDefinedTypeEvents 类 UserDefinedTypeFormat...
User-defined functions cannot be called within the definition of computed columns of a user-defined table type. Security Permissions for user-defined table types follow the object security model for SQL Server by using the following Transact-SQL keywords: CREATE, GRANT, DENY, ALTER, CONTROL, TAKE...
Learn more about the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom.SqlCreateUserDefinedTableTypeStatement in the Microsoft.SqlServer.Management.SqlParser.SqlCodeDom namespace.
fr_wh_SQL.col2 := 'abcd' ; DBMS_OUTPUT.PUT_LINE ( fr_wh_SQL.col1 || ',' || fr_wh_SQL.col2 ) ; END ; / Enhancement of User-defined types The tool supports the enhancement of PL/SQL type of TABLE used in Oracle for specific data types and for any table column. ...
{//Connect to the local, default instance of SQL ServerServer srv =newServer();//Reference the AdventureWorks2022 database.Database db = srv.Databases["AdventureWorks2022"];//Define a UserDefinedTableType object variable by supplying the//database and name in the constructor.UserDefinedTableType...