sql service 触发器，监控一个表有新数据插入时，把这条数据再插到另一个表

create trigger tri_Line on Line
for insert
as
begin
if (select count(1)  from Line)=0
begin
print '未插入数据'
end
else
begin
insert into LineSubset(LineName)select LineName from inserted
end
end

 

 

或者

 

 

 

create trigger tri_Line  on Line
for insert
as
begin
insert into LineSubset(LineName)
select LineName from inserted
end