insert into mymenu values('4','0','肉类','') insert into mymenu values('5','1','白菜','') insert into mymenu values('6','1','茄子','htt://www.baidu.com') insert into mymenu values('7','5','四月白','http://www.google.cn') insert into mymenu values('8','5','冬...
insert into @t select * from ST_User where ID<@myId return end --调用表值函数 select * from dbo.FUNC_UserTab_1(15) --调用标量值函数 declare @s int set @s=dbo.FUNC_Sum1(100,50) print @s --删除标量值函数 drop function FUNC_Sum1 谈谈自定义函数与存储过程的区别: 一、自定义函数:...
一.FUNCTION: 在sqlserver2008中有3中自定义函数:标量函数/内联表值函数/多语句表值函数,首先总结下他们语法的异同点: 同点:1.创建定义是一样的: a, CREATE FUNCTION F_NAME(传入的参数名称 传入参数的类型) b,RETURNS 返回值类型 c,AS 异点:1.标量函数返回的是一个数据类型值,内联表值函数返回的是一个t...
insert into @t select * from ST_User where ID<@myId return end --调用表值函数 select * from dbo.FUNC_UserTab_1(15) --调用标量值函数 declare @s int set @s=dbo.FUNC_Sum1(100,50) print @s --删除标量值函数 drop function FUNC_Sum1 谈谈自定义函数与存储过程的区别: 一、自定义函数:...
SELECT = -- Return the result of the function RETURN CREATE FUNCTION GetSum ( @firstNum int, @secondNum int ) RETURNS int AS BEGIN -- Declare the return variable here DECLARE @result int -- Add the T-SQL statements to compute the return value here ...
INSERT INTO test VALUES('column_one_3','column_two_3','column_three_3'); --查询一下数据 SELECT * FROM test; --创建标量函数scalar_valued_functions CREATE FUNCTION scalar_valued_functions(@in varchar(128)) RETURNS VARCHAR(128) AS BEGIN DECLARE @out VARCHAR(128) SELECT @out=column_two FR...
create function MyFunction (@newsid int) returns int as begin declare @count int select @count=count(*) from Comment where NewsID=@newsid return @count end --调用方法-- declare @count int exec @count=MyFunction 2 print @count --返回值为表的函数-- ...
] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS TABLE [ WITH <function_option> [ , ...n ] ] [ AS ] RETURN [ ( ] select_stmt [ ) ] [ ; ] Syntax for ...
] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS TABLE [ WITH <function_option> [ , ...n ] ] [ AS ] RETURN [ ( ] select_stmt [ ) ] [ ; ] Syntax for ...
SelectFunctionReturnType SelectInsertSource SelectiveXmlIndexPromotedPath SelectScalarExpression SelectSetVariable SelectStarExpression SelectStatement SelectStatementSnippet SemanticFunctionType SemanticTableReference SendStatement SensitivityClassification SensitivityClassification.OptionType...