属性值 类型:Microsoft.Data.Schema.Sql.SchemaModel.ISqlBuiltInType .NET Framework 安全性 对直接调用方的完全信任。此成员不能由部分信任的代码使用。有关更多信息,请参见通过部分受信任的代码使用库。 请参见 参考 ISqlUserDefinedDataType 接口 Type 重载 Microsoft.Data.Schema.Sql.SchemaModel 命名空间中文...
A user-defined type (UDT) is a data type that is derived from a supported data type. UDT uses built-in datatypes and other user-defined datatypes as the building blocks for datatypes that model the structure and behavior of data in applications. UDT makes it easier to work with PL/SQL c...
ISqlUserDefinedDataType.GetRelationship 方法 發行項 2011/08/12 本文內容 多載清單 請參閱 包含受保護的成員 包含繼承的成員傳回指定的關聯性。這個成員是多載的。如需這個成員的完整資訊,包含語法、使用方式和範例,請按一下多載清單中的名稱。多載清單...
UserDefinedDataType 类 UserDefinedDataType 类 UserDefinedDataType 构造函数 UserDefinedDataType 字段 UserDefinedDataType 方法 UserDefinedDataType 属性 UserDefinedDataType 事件 UserDefinedDataTypeCollection 类 UserDefinedDataTypeResolver 类 UserDefinedFunction 类 UserDefinedFunctionCollection 类 UserDefinedFunctio...
Namespace:Microsoft.Data.Schema.Sql.SchemaModel Assembly:Microsoft.Data.Schema.Sql (in Microsoft.Data.Schema.Sql.dll) Syntax C#Kopie publicinterfaceISqlUserDefinedDataType:ISqlType,IDatabaseType,IModelNamed,ISqlTypeSpecifier,IDatabaseTypeSpecifier,ISqlExtendedPropertyHost,ISqlOwnedObject,ISqlLegacyDataConstr...
Creates a user-defined data type on the instance of Microsoft SQL Server as defined by the UserDefinedType object.命名空间: Microsoft.SqlServer.Management.Smo 程序集: Microsoft.SqlServer.Smo(在 Microsoft.SqlServer.Smo.dll 中)语法 C# 复制 public void Create() 实现 ICreatable. . :: . ....
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 ...
The Default property identifies a Microsoft SQL Server default bound to a column or user-defined data type. 语法 复制 object.Default [=value] Parts object An expression that evaluates to an object in the Applies To list value The name of a default defined in the SQL Server database ...
This differs from the rules for PL/SQL functions and procedures, where the parentheses are optional for calls that have no arguments. Storage of User-Defined Types Oracle stores and manages data of user-defined types in tables. It automatically and invisibly maps the complex structure of user-de...
Use Object Explorer to create new user-defined data types. To create a user-defined data type In Object Explorer, expand Databases, expand a database, expand Programmability, expand Types, right-click User-defined Data Types, and then click New User-defined Data Type. In the New User-...