BlogJava-休息食客-随笔分类-oraclehttp://www.blogjava.net/resteater/category/54709.html随心而动zh-cnWed, 11 Feb 2015 03:09:43 GMTWed, 11 Feb 2015 03:09:43 GMT60Oracle触发器阻止删除表数据http://www.blogjava.net/resteater/archive/2014/12/25/421811.html休息食客休息食客Thu, 25 Dec 2014 02:15:00 GMThttp://www.blogjava.net/resteater/archive/2014/12/25/421811.htmlhttp://www.blogjava.net/resteater/comments/421811.htmlhttp://www.blogjava.net/resteater/archive/2014/12/25/421811.html#Feedback0http://www.blogjava.net/resteater/comments/commentRss/421811.htmlhttp://www.blogjava.net/resteater/services/trackbacks/421811.htmlcreate or replace trigger preventdeleted502
before delete on d502_mzdetail
for each row
begin
if deleting then raise_application_error(-200001,'不允许删除数据!');
dbms_output.PUT_LINE('不允许删除数据!');
end if;
end;

解释说明：preventdeleted502为该触发器名称，d502_mzdetail为表名，对于表d502_mzdetail如果一有删除动作，马上提示溢出错误，同时打印错误信息，那么删除动作即刻停止！


休息食客 2014-12-25 10:15 发表评论
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