document.write("<div class=\"item\">    <div class=\"title\"><a href=\"http://www.itpow.com/c/2007/05/VU8GACOP6WKILOLP.asp\" target=\"_blank\"><span class=\"key\">ANY</span>、<span class=\"key\">ALL</span> <span class=\"key\">和</span> <span class=\"key\">SOME</span></a></div>    <div class=\"abstract\"><span class=\"pubDate\">2007年05月24日</span> <span class=\"key\">ANY</span>、<span class=\"key\">ALL</span> <span class=\"key\">和</span> <span class=\"key\">SOME</span> 是 SQL 中的关键字，用它们可以修改引入子查询的比较运算符，在 SQL-92 标准里面，<span class=\"key\">SOME</span> <span class=\"key\">和</span> <span class=\"key\">ANY</span> 是等效的，所以我们只讨论 <span class=\"key\">ANY</span> <span class=\"key\">和</span> <span class=\"key\">ALL</span>。说明：</div>    <div class=\"url\"><a href=\"http://www.itpow.com/c/2007/05/VU8GACOP6WKILOLP.asp\" target=\"_blank\">http://www.itpow.com/c/2007/05/VU8GACOP6WKILOLP.asp</a></div></div>")