CREATEproceduredbo.select_a @bvarchar(50), @cvarchar(50), @dvarchar(50), @evarchar(50) as declare@strsqlvarchar(5000); set@strsql='select*fromawhere1=1'; if@b'' set@strsql=@strsql+'andb="'+@b+'"'; if@c'' set@strsql=@strsql+'andc="'+@c+'"';
@b varchar(50),
@c varchar(50),
@d varchar(50),
@e varchar(50)
as
declare @strsql varchar(5000) ;
set @strsql='select * from a where 1=1 ';
if @b <>''
set @strsql= @strsql+' and b="'+@b +'"';
if @c <>''
set @strsql= @strsql+' and c="'+@c +'"';
if @d <>''
set @strsql= @strsql+' and d="'+@d +'"';
if @e <>''
set @strsql= @strsql+' and e="'+@e +'"';
exec (@strsql)
GO