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create procedure test

as
declare @var_0 varchar(100)
declare @cc int
set @cc=0
exec('select @var_'+@cc +'=fullName from contact')

go
exec test


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@var Õâ¸öÊÇûÓÐÉùÃ÷µÄ¡£

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SP_EXECUTESQL

SQL code:

Alter procedure test
as
--declare @var_0 varchar(100)
declare @cc int
set @cc=0
exec(' declare @var_0 varchar(100) select @var_'+@cc +'=fullName from contact')
go
exec test




declare @cc int
set @cc=0
exec('
declare @var_0 varchar(100) select @var_'+@cc +'=fullName from contact')

SQL code:
Êä³ö²ÎÊý
declare @num int,
@sqls nvarchar(4000)
set @sqls='select count(*) from tableName'
exec(@sqls)
--ÈçºÎ½«execÖ´Ðнá¹û·ÅÈë±äÁ¿ÖУ¿

declare @num int,
@sqls nvarchar(4000)
set @sqls='select @a=count(*) from tableName '
exec sp_executesql @sqls,N'@a int output',@num output
select @num


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