摘要： IFEXISTS(SELECTnameFROMdbo.sysobjectsWHEREid=Object_id(N'[dbo].[row_count]'))　　DROPFUNCTION[dbo].[row_count]　　GO　　CREATEFUNCTIONdbo.row_count(@table_namesysname)　　--@table_namewewanttogetcount　　RETURN... 阅读全文