For more information, see Using Set Functions. String functions Return string values from other objects or from the server. For more information, see Using String Functions. Tuple functions Return a reference to a tuple from a set or from a string expression. For more information, see Using Tu...
此页面说明使用 SQL Server 提供程序时,哪些 .NET 成员转换成哪些 SQL 函数。 聚合函数 展开表 .NETSQL在 EF.Functions.StandardDeviationSample(group.Select(x => x.Property))STDEV(Property)EF Core 7.0 EF.Functions.StandardDeviationPopulation(group.Select(x => x.Property))STDEVP(Property)EF Core 7.0 ...
Using this option prevents the function from being published as part of SQL Server replication. This option can't be specified for CLR functions. SCHEMABINDING Specifies that the function is bound to the database objects that it references. When SCHEMABINDING is specified, the base objects can't...
Functions (SQL Server Compact Edition) GETDATE (SQL Server Compact Edition) GROUP BY Clause (SQL Server Compact Edition) HAVING Clause (SQL Server Compact Edition) Hints (SQL Server Compact Edition) IDENTITY Property (SQL Server Compact Edition) IN (SQL Server Compact Edition) Information Schema ...
在SMO 中配置 SQL Server 统计信息 数据库对象 数据库 默认值 键 索引 删除规则 架构 存储过程 表格 触发器 用户定义的函数 观点 权限 终结点 全文搜索 服务代理 使用WMI 提供程序进行服务和网络设置 用户、角色和登录名 编程相关任务 在SQL Server 代理中计划自动管理任务 ...
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 Learn about the categories of built-in functions you can use with SQL databases. You can use the ...
A FILESTREAM filegroup can contain more than one file. For a code example that demonstrates how to create a FILESTREAM filegroup that contains multiple files. See Also SQL Server Query Language - Transact-SQL Other Languages Novas Functions em Microsoft SQL Server 2012(pt-BR)...
所有聚合函数都是确定性的,这意味着对相同的输入值进行运算时,它们始终返回相同的值。 有关详细信息,请参阅Deterministic and Nondeterministic Functions。 分析函数 解析函数基于一组行计算聚合值。 不过,与聚合函数不同,分析函数可能针对每个组返回多行。 可以使用分析函数来计算移动平均线、运行总计、百分比或一个组...
Using this option prevents the function from being published as part of SQL Server replication. This option can't be specified for CLR functions. SCHEMABINDING Specifies that the function is bound to the database objects that it references. When SCHEMABINDING is specified, the base objects can't...
User-Defined Functions (在 Transact-SQL 中实现且返回单个数据值的 UDF) 称为 T-SQL 标量 User-Defined Functions (UDF) 。 标量UDF 内联功能于 2019 Microsoft SQL Server 中引入。 此功能可以提高调用 T-SQL 标量 UDF 的查询的性能,其中 UDF 执行是main瓶颈。 T-SQL 标量 UDF 内联自动将...