说明: 4.1.SELECT SNO FROM SPJ WHERE JNO='J1' 4.2.SELECT SNO FROM SPJ WHERE JNO='J1' AND PNO='P1' 4.3.SELECT SNO FROM SPJ,P WHERE SPJ.PNO=P.PNO AND COLOR='红' AND JNO='J1' OR:SELECT SNO FROM SPJ WHERE JNO='J1' AND PNO IN (SELECT PNO FROM P WHERE COLOR='红') <sling19880512> 上传 | 大小:4kb
说明: This document gives details for performing daily, weekly, and monthly checks of the status of one or more Oracle databases. All SQL and PL/SQL code for the listed checks can be found in the appendix. <lvsm_neusoft> 上传 | 大小:28kb