cs_Licenses_Update ALTERPROCEDURE dbo.cs_Licenses_Update @LicenseIDuniqueidentifier, @LicenseTypenvarchar(50), @LicenseValuentext AS
ifexists(select LicenseType from cs_Licenses where LicenseType =@LicenseType) /**//*如果存在此许可类型*/ begin deletefrom cs_Licenses where LicenseType =@LicenseType end /**//*删除*/