if (@addDate is not null) and (@name <> '') select * from table where addDate = @addDate and name = @name else if (@addDate is not null) and (@name ='') select * from table where addDate = @addDate else if(@addDate is null) and (@name <> '') select * from table where and name = @name else if(@addDate is null) and (@name = '') select * from table
select * from table where (addDate = @addDate or @addDate is null) and (name = @name or @name = '')
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