对T1建立触发器 可以进行 IF updating THEN dbms_output.put_line('the opreation is update on temp'); ELSIF inserting THEN dbms_output.put_line('the opreation is inserting a row to temp'); ELSE dbms_output.put_line('the opreation is delete a row from temp'); END IF; 这样的判断。
参考
http://hi.baidu.com/sculpin/blog/item/f7dc3236e511e044251f148f.html
IF updating THEN
dbms_output.put_line('the opreation is update on temp');
ELSIF inserting THEN
dbms_output.put_line('the opreation is inserting a row to temp');
ELSE
dbms_output.put_line('the opreation is delete a row from temp');
END IF;
这样的判断。