如果此视图不是由迁移管理,则获取视图定义或 null。 C# 复制 public string? ViewDefinitionSql { get; } 属性值 String 适用于 产品版本 Entity Framework Core 5.0, 6.0, 7.0, 8.0, 9.0 在GitHub 上与我们协作 可以在 GitHub 上找到此内容的源,还可以在其中创建和查看问题和拉取请求。 有关详细信息,...
VIEW DEFINITION 除DATABASE SCOPED CONFIGURATION 和 SERVER 外的所有对象类。注意 安装期间授予系统对象的默认权限已针对可能的威胁进行了仔细评估,并且作为强化 SQL Server 安装的一部分,无需进行更改。 对系统对象权限的任何更改都可能限制或破坏功能,并且可能让你的 SQL Server 安装处于不受支持的状态。SQL...
GetView(String) Ruft das benannte DataSourceView-Objekt ab, das dem DataSourceControl-Steuerelement zugeordnet ist. Einige Datenquellensteuerelemente unterstützen nur eine Ansicht, andere hingegen unterstützen mehrere Ansichten. (Geerbt von DataSourceControl) IDataSource.GetViewNames() Ruft ...
The Database Engine uses schema modification (Sch-M) locks during a table data definition language (DDL) operation, such as adding a column or dropping a table. During the time that it is held, the Sch-M lock prevents concurrent access to the table. This means the Sch-M lock blocks all...
How to get view definition in formatted t-sql? how to get which employee is working all project in sql server How to grant select on table-valued functions and execute on scalar-valued functions to a user How to group records in parent child relationship in a table and sort them internally...
VIEW DEFINITION All classes of objects except DATABASE SCOPED CONFIGURATION, and SERVER.Caution The default permissions that are granted to system objects at the time of setup are carefully evaluated against possible threats and need not be altered as part of hardening the SQL Server installation. ...
Describes how to modify the view definition. Modify Views Describes how to modify data through a view. Modify Data Through a View Describes how to delete a view. Delete Views Describes how to return information about a view such as the view definition. Get Information About a View Describes ...
Execute the query to get the view definition of an object. The command sp_helptext gives an error message that an object does not exist in the database. If we try to get the script using INFORMATION_SCHEMA.Views, it does not give any error message; however, it does not return any row...
{ filestream_filegroup_name | partition_scheme_name | "NULL" } ] <computed_column_definition> ::= column_name AS computed_column_expression [ PERSISTED [ NOT NULL ] ] [ [ CONSTRAINT constraint_name ] { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ] [ WITH FILLFACTOR = fillfactor ...
CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] 完整语法基于磁盘的 CREATE TABLE 语法:syntaxsql 复制 CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_...