oracleµÄociºÍthinÇø±ð
1£©´ÓʹÓÃÉÏÀ´Ëµ£¬oci±ØÐëÔÚ¿Í»§»úÉϰ²×°oracle¿Í»§¶Ë»ò²ÅÄÜÁ¬½Ó£¬¶øthin¾Í²»ÐèÒª£¬Òò´Ë´ÓʹÓÃÉÏÀ´½²thin»¹ÊǸü¼Ó·½±ã£¬ÕâÒ²ÊÇthin±È½Ï³£¼ûµÄÔÒò¡£
2£©ÔÀíÉÏÀ´¿´£¬thinÊÇ´¿javaʵÏÖtcp/ipµÄc/sͨѶ£»¶øoci·½Ê½,¿Í»§¶Ëͨ¹ýnative java methodµ÷ÓÃc library·ÃÎÊ·þÎñ¶Ë£¬¶øÕâ¸öc library¾ÍÊÇoci(oracle called interface)£¬Òò´ËÕâ¸öoci×ÜÊÇÐèÒªËæ×Åoracle¿Í»§¶Ë°²×°£¨´Óoracle10.1.0¿ªÊ¼£¬µ¥¶ÀÌṩOCI Instant Client£¬²»ÓÃÔÙÍêÕûµÄ°²×°client£©
3£©ËüÃÇ·Ö±ðÊDz»Í¬µÄÇý¶¯Àà±ð£¬ociÊǶþÀàÇý¶¯£¬ thinÊÇËÄÀàÇý¶¯£¬µ«ËüÃÇÔÚ¹¦ÄÜÉϲ¢ÎÞ²îÒì¡£
4£©ËäÈ»ºÜ¶àÈË˵ociµÄËÙ¶È¿ìÓÚthin£¬µ«ÕÒÁ˰ëÌìûÓÐÕÒµ½Ïà¹ØµÄ²âÊÔ±¨¸æ¡£
Ïà¹ØÎĵµ£º
½ñÌìͬÊÂÓöµ½ÁËÒ»¸öÎÊÌ⣬ÔÒòÊÇrownumµÄÎÊÌâ¡£
ÏÂÃæ×ªÒ»ÆªÎÄÕ£º
¶ÔÓÚOracleµÄrownumÎÊÌ⣬ºÜ¶à×ÊÁ϶¼Ëµ²»Ö§³Ö>£¬>=£¬=£¬between……and£¬Ö»ÄÜÓÃÒÔÉÏ·ûºÅ£¨<¡¢& lt;=¡¢£¡=£©£¬²¢·Ç˵ÓÃ>£¬>=£¬=£¬between……and ʱ»áÌáʾSQLÓï·¨´íÎ󣬶øÊǾ³£ÊDz鲻³öÒ»Ìõ¼Ç¼À´£¬»¹»á³öÏÖË ......
֮ǰÔÚÏîÄ¿ÖÐÓõ½µÄ·ÖÒ³¶¼ÊǼٷÖÒ³£¬Ò²¾ÍÊÇÏÈ´ÓÊý¾Ý¿âÖаÑËùÓеÄÊý¾Ý¶¼²éѯ³öÀ´È»ºóÔÚ°ó¶¨Ê±½øÐзÖÒ³¡£ÕâÊÇÒ»ÖÖ¼Ù·ÖÒ³£¬Ð§Âʽϵͣ¬Ç°¼¸ÌìÌýÆäËûÏîÄ¿×é˵ËûÃÇҪʹÓÃÊý¾Ý¿âµÄ´æ´¢¹ý³ÌÀ´ÊµÏÖ·ÖÒ³£¬¸Ð¾õºÜÒÉ»ó£¬ÄѵÀʹÓÃÊý¾Ý¿â»¹¿ÉÒÔʵÏÖ·ÖÒ³¹¦ÄÜ£¿ÏÐÀ´ÎÞÊ£¬¾Í´ÓÍøÉÏËÑÁËËÑ×ÊÁÏ£¬¹ûÈ»£¬ÔÚoracl ......
Oracle Database 11g A Beginner's Guide
Oracle Database 11g SQL
Oracle Database 11g SQL: Tuning Work Shop
Oracle Database 11g SQL: Tuning Work Shop Practices and Solutions
Oracle Essentials: Oracle D ......
¾ßÌåʵÏÖÈçÏ£º
SQL> select count(*) from v$session #Á¬½ÓÊý
SQL> Select count(*) from v$session where status='ACTIVE'¡¡#²¢·¢Á¬½ÓÊý
SQL> show parameter processes #×î´óÁ¬½Ó
SQL> alter system set processes = value scope = spfile;ÖØÆôÊý¾Ý¿â #ÐÞ¸ÄÁ¬½Ó ......
HA
ÊÇHigh Availability
µÄÊ××Öĸ×éºÏ£¬·Òë¹ýÀ´£¬¿ÉÒÔ½Ð×ö¸ß¿ÉÓ㬻ò¸ß¿ÉÓÃÐÔ£¬¸ß¿ÉÓ㨻·¾³£©¡£ÎÒ¾õµÃÓ¦¸Ã˵HAÊÇÒ»¸ö¹ÛÄî¶ø²»ÊÇÒ»Ïî»òһϵÁоßÌå¼¼Êõ£¬¾ÍÏóÍø¸ñÒ»Ñù¡£×÷¹ýϵͳ
·½°¸¾ÍÖªµÀÁË£¬ÆÀ¼ÛϵͳµÄÐÔÄܵ±ÖоÍÓÐÒ»Ïî¸ß¿ÉÓ᣹ãÒåµÄ¸ß¿ÉÓÃÉæ¼°µ½ÏµÍ³µÄ¸÷¸ö·½Ã棬¼òµ¥À´Ëµ£¬ÈÃϵͳ²»»áÖжÏ
ÔËÐУ¬¾ÍÊǸ߿ÉÓᣰüÀ¨È ......