CREATE FUNCTION sqlserver用户定义函数 创建用户定义函数，它是返回值的已保存的 Transact-SQL 例程。用户定义函数不能用于执行一组修改全局数据库状态的操作。与系统函数一样，用户定义函数可以从查询中唤醒调用。也可以像存储过程一样，通过 EXECUTE 语句执行 创建用户定义函数，它是返回值的已保存的 Transact-SQL 例程...
syntaxsql 复制 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [ EXECUTE_AS_Claus...
syntaxsql 複製 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [ EXECUTE_AS_Claus...
syntaxsql 複製 <order_clause> ::= { <column_name_in_clr_table_type_definition> [ ASC | DESC ] } [ , ...n ] <method_specifier> ::= assembly_name.class_name.method_name <clr_function_option> ::= { [ RETURNS NULL ON NULL INPUT | CALLED ON NULL INPUT ] | [...
Creating a CLR function in SQL Server involves the following steps: Define the function as a static method of a class in a language supported by the .NET Framework. For more information about how to program functions in the common language runtime, see CLR user-defined functions. Then, compi...
Scalar function examples Table-valued function examples Show 2 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) This article describes how to create a user-defined function (UDF) in SQL Server by using Transact-SQL....
CREATEPARTITIONFUNCTIONpartition_function_name ( input_parameter_type ) ASRANGE [LEFT|RIGHT] FORVALUES( [ boundary_value [ ,...n ] ] ) [ ; ] 创建分区的范围: 1 ASRANGELEFTFORVALUES(10000, 20000); 注释:创建分区函数:myRangePF2,以INT类型分区,分三个区间,10000以内在A 区,1W-2W在B区,2W以上...
有关详细信息,请参阅 CREATE FUNCTION (Transact-SQL) 中的SCHEMABINDING 部分。 LANGUAGE = [N] 'language' 适用于:SQL Server 2014 (12.x) 及更高版本和 Azure SQL 数据库。 等效于 SET LANGUAGE (Transact-SQL) 会话选项。 LANGUAGE = [N] 'language' 是必须的。 TRANSACTION ISOLATION LEVEL 适用于:...
Creating a user-defined aggregate function in SQL Server involves the following steps:Define the user-defined aggregate function as a class in a Microsoft .NET Framework-supported language. For more information about how to program user-defined aggregates in the CLR, see CLR user-defined aggregate...
Creates a Transact-SQL or common language runtime (CLR) stored procedure in SQL Server, Azure SQL Database, and Analytics Platform System (PDW). Stored procedures are similar to procedures in other programming languages in that they can: