2009年3月10日
摘要：
/*Start with...Connect By子句的应用*//* 从树根往叶子递归 */select *from ( select '1' as id, '10' as name,'0' as pid from dual union all select '2','11','1' from dual union all select '3','20','0' from dual union... 阅读全文
摘要：
<!--<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">--><html xmlns="http://www.w3.org/1999/xhtml"><head>... 阅读全文