数据库2025年07月06日
select NVL(sum(case when create_date_time>=to_date('2014-11-24 00:00:00','yyyy-mm-dd hh24:mi:ss') and create_date_time<=to_date('2014-11-24 23:59:59','yyyy-mm-dd hh2...
数据库2025年06月09日
How to Acquire Lock without Handling Exceptions 作者:T.R. Bharath Rajkumar This tip comes from T.R. Bharath Rajkumar, Consultant in Chennai, Tamil Nadu, India. Normally I use FOR UP...
数据库2023年05月09日
$sql_str.=" and ( to_days(indate_1)-to_days(now()) = 1 ) "; $sql_search = "select 'lb_zhibo_lanqiu' tb...