2¡¢¡°ÒÔÖÁÓÚÎÒÔÚwhereºóÃæÓà rw>=10 and rw<=20µÄʱºòûÓÐÖµ¡± Õâ¸öÐÞ¸Äһϣ¬½«times='20090105'·Åµ½×Ó²éѯÖоͿÉÒÔÁË¡£ select * from(select times,pages,rownum rw from layouts where times='20090105')
Ï£Íû¶ÔÄãÓÐËù°ïÖú ÒòΪÕâÀï°´pagesÅÅÐòÁË£¬ËùÒÔrw²¢²»ÊÇ´Ó1¿ªÊ¼£¬rownumÊÇÔÚorderby֮ǰ¸³ÓèµÄαÁÐ ÎÒÒ²¸ã²»ÇåÂ¥Ö÷×´¿ö£¬ ÊÇÏñÂ¥ÉÏ1¡¢Àï˵µÄÂ𣿠Î
ÓÃPL/SQL µÇ½ʱµ¯³ö±¨´í´°¿Ú£¬´íÎóÈçÏ£¡ ORA-01034:ORACLE not available ORA-27101:shared memory realm does not exist ÇëÎÊ£¬ÓÐûÓÐÈËÓöµ½ÕâÖÖÇé¿ö£¬Ôõô½â¾ö£¿Ð»Ð»£¡