标签:nbsp 执行 table rac logs ret .com where select
例子
select X from table where 1=2 and 1=2 or 1=1;
return true;
select X from table where 1=2 and (1=2 or 1=1);
return false
原文:http://www.cnblogs.com/nick-huang/p/4027038.html 感谢分享
标签:nbsp 执行 table rac logs ret .com where select
原文地址:http://www.cnblogs.com/duyunchao-2261/p/6524419.html