很典型的sql调优
项目中一个应用反映如下查询速度缓慢,查询整体下来50多秒。:select * from V_CIRCUIT$OC where (CIRCUITCODE like '%XXYY%') and belongcity in('XZ0116','XZ011699','XZ011654','XZ011640','XZ011641','X...
注册时间:2009-11-09