场景:
在数据库上有触发器(该触发器由复制发布产生)create trigger [tr_MStran_altertable] on database for ALTER_TABLE as set ANSI_NULLS ON set ANSI_PADDING ON set ANSI_WARNINGS ON set ARITHABORT ON set CONCAT_NULL_YIELDS_NULL ON set NUMERIC_ROUNDABORT OFF set QUOTED_IDENTIFIER ON declare @EventData xml set @EventData=EventData() exec sys.sp_MStran_ddlrepl @EventData, 1在该数据库上使用ALTER TABLE SWITCH时,如果ALTER TABLE 语句带有变量,会报运行时错误,提示变量无效。