--查看所有规则
select * from sysobjects where type='R' --查看某个规则信息
exec sp_help 规则名--查看规则内容
exec sp_helptext 规则名--查看表是否绑定规则
exec sp_helpconstraint 表名--取消规则绑定
exec sp_unbindrule '表名.列名'--修改规则
drop rule 规则名
create rule 规则名
AS condition_expression
select * from sysobjects where type='R' --查看某个规则信息
exec sp_help 规则名--查看规则内容
exec sp_helptext 规则名--查看表是否绑定规则
exec sp_helpconstraint 表名--取消规则绑定
exec sp_unbindrule '表名.列名'--修改规则
drop rule 规则名
create rule 规则名
AS condition_expression
select * from syscolumns where domain=object_id('规则名')