用户自定义函数中存储了一个Transact-SQL 例程,可以返回一定的值。 在SQL Server 2000 中根据函数返回值形式的不同将用户自定义函数分为三种类型: 标量型函数(Scalar functions) 标量型函数返回一个确定类型的标量值其返回值类型为除TEXT、 NTEXT、 IMAGE、CURSOR、 TIMESTAMP 和TABLE 类型外的其它数据类型。函数体...
SQL SERVER中的用户定义函数(User Defined Functions 简称UDF)分为标量函数(Scalar-Valued Function)和表值函数(Table-Valued Function)。其中表值函数又分为Inline table-valued functions和Multistatement table-valued functions。 用户定义函数(UDF)在 SQL Server 中发挥重要的作用。用户定义函数可以用于执行复杂的逻辑,...
SqlStoredProcedureCreateUpdateParameters SqlStoredProcedureGetPropertiesResource SqlStoredProcedureListResult SqlStoredProcedureResource SqlTriggerCreateUpdateParameters SqlTriggerGetPropertiesResource SqlTriggerListResult SqlTriggerResource SqlUserDefinedFunctionCreateUpdateParameters SqlUserDefinedFunctionGetProperties...
SQL SERVER中的用户定义函数(User Defined Functions 简称UDF)分为标量函数(Scalar-Valued Function)和表值函数(Table-Valued Function)。其中表值函数又分为Inline table-valued functions和Multistatement table-valued functions。 用户定义函数(UDF)在 SQL Server 中发挥重要的作用。用户定义函数可以用于执行复杂的逻辑,...
SqlUserDefinedFunctionCreateUpdateParameters() 方法摘要 展开表 修饰符和类型方法和描述 java.util.Map<java.lang.String,java.lang.String> options() 获取要应用于请求的选项的键值对。 SqlUserDefinedFunctionResource resource() 获取用户定义的函数的标准 JSON 格式。 SqlUse...
SqlStoredProcedureGetProperties SqlStoredProcedureGetResultsInner SqlTriggerCreateUpdateProperties SqlTriggerGetProperties SqlTriggerGetResultsInner SqlUserDefinedFunctionCreateUpdateProperties SqlUserDefinedFunctionGetProperties SqlUserDefinedFunctionGetResultsInner TableCreateUpdateProperties TableGetProperties T...
Azure SQL Database Azure SQL Managed Instance SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric Like functions in programming languages, SQL Server user-defined functions are routines that accept parameters, perform an action, such as a complex calculation, and return the result...
SqlRoleDefinitionGetResultsInner SqlRoleDefinitionResource SqlStoredProcedureCreateUpdateProperties SqlStoredProcedureGetProperties SqlStoredProcedureGetResultsInner SqlTriggerCreateUpdateProperties SqlTriggerGetProperties SqlTriggerGetResultsInner SqlUserDefinedFunctionCreateUpdateProperties SqlUserDefinedFunctionGet...
User-defined functions can't make use of dynamic SQL or temp tables. Table variables are allowed. SETstatements aren't allowed in a user-defined function. TheFOR XMLclause isn't allowed. User-defined functions can be nested; that is, one user-defined function can call another. The nesting...
User-defined functions can't make use of dynamic SQL or temp tables. Table variables are allowed. SETstatements aren't allowed in a user-defined function. TheFOR XMLclause isn't allowed. User-defined functions can be nested; that is, one user-defined function can call another. The nesting...