sybase触发器实例

create trigger trigger_all
on table_a
for insert,update,delete
as

if not exists(select * from deleted) and exists(select * from inserted)---插入
begin
	insert into table_middle (id,kind,time) select id1,'I',getDate() from inserted
end

else if exists(select * from deleted) and not exists(select * from inserted)---删除
begin
	insert into table_middle (id,kind,time) select id1,'D',getDate() from deleted
end

else if exists(select * from deleted) and exists(select * from inserted)---更新
begin
	insert into table_middle (id,kind,time) select id1,'U',getDate()  from inserted
end