Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÇóÖú oracle 10g Á¬²»ÉÏ ÄÄλÅóÓѰïæ½â¾öÒ»ÏÂ

Ï£Íû¸ßÊÖ¿ÉÒÔ°ïæһÏ  ²»Ê¤¸Ð¼¤
C:\Documents and Settings\Administrator>sqlplus /nolog
SQL*Plus: Release 10.2.0.3.0 - Production on ÐÇÆÚËÄ 5ÔÂ 20 17:23:05 2010
Copyright (c) 1982, 2006, Oracle.  All Rights Reserved.
SQL> conn system/manager as sysdba;
ÒÑÁ¬½Óµ½¿ÕÏÐÀý³Ì¡£
SQL> conn scott/tiger
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
¾¯¸æ: Äú²»ÔÙÁ¬½Óµ½ ORACLE¡£
SQL>


Ïà¹ØÎĵµ£º

Oracle Sql ÐÔÄÜÓÅ»¯

1£©²»Öª´ó¼ÒÊÇ·ñϲ»¶Ê¹ÓÑNOT IN’ÕâÑùµÄ²Ù×÷£¬Èç¹ûÊÇ£¬ÄǾ¡Á¿Ê¹ÓÃ(NOT) EXISTS Ìæ´ú
2£©ÔÚº£Á¿²éѯʱ¾¡Á¿ÉÙÓøñʽת»»¡£
3£©²éѯº£Á¿Êý¾ÝÊÇ£¬¿ÉÒÔʹÓÃoptimizer['ɔptimaizə] hints£¬ÀýÈç/*+ORDERED */
¾¡Á¿ÉÙÓÃIN²Ù×÷·û£¬»ù±¾ÉÏËùÓеÄIN²Ù×÷·û¶¼¿ÉÒÔÓÃEXISTS´úÌæ¡£
²»ÓÃNOT IN²Ù×÷·û£¬¿ÉÒÔ ......

oracleÖÐnvarchar2×Ö·û¼¯²»Æ¥Åä

oracleµ±¶à±íunionʱÓöµ½nvarchar2ÀàÐÍʱ±¨´í ×Ö·û¼¯²»Æ¥Åä
¶ÔʹÓÃnvarcharµÄµØ·½£¬¼ÓÉÏ to_char( nvarchar µÄ±äÁ¿»ò×Ö¶Î )
È磺
select to_char(name),price from aa
union all
select  to_char(name),price from bb
3Õűíaa,bb,cc¶¼ÓÐ name price ×Ö¶Î ²éѯ¼Û¸ñ×î¸ßµÄǰ3λÐÕÃû
select * from(select to_ch ......

Oracle IOÎÊÌâ½âÎö

Oracle IOÎÊÌâ½âÎö
Êý¾Ý¿âµÄ×÷ÓþÍÊÇʵÏÖ¶ÔÊý¾ÝµÄ¹ÜÀíºÍ²éѯ¡£ÈκÎÒ»¸öÊý¾Ý¿âϵͳ£¬±ØÈ»´æÔÚ¶ÔÊý¾ÝµÄ´óÁ¿¶Á»òÕßд»òÕßÁ½ÖвÙ×÷¶¼´óÁ¿´æÔÚ¡£IOÎÊÌâÒ²ÍùÍùÊǵ¼ÖÂÊý¾Ý¿âÐÔÄÜÎÊÌâµÄÖØÒªÔ­Òò¡£ÔÚÕâÆªÎÄÕÂÖУ¬Ö÷Òª°ïÖú´ó¼ÒÔÚÀí½âOracleµÄ¶Áд²Ù×÷»úÖÆµÄ»ù´¡ÉÏ£¬Áé»î½â¾öÓöµ½µÄ¸÷ÖÖ³£¼ûµÄIOÎÊÌâ¡£
1 OracleÖÐIOµÄ²úÉú
IOµ±È»°üÀ ......

ÈçºÎÔÚLoadRunnerÖÐ¼à¿ØOracleÊý¾Ý¿â

1¡¢Ê¹ÓÃLR×Ô´øµÄ¼à¿ØÒýÇæ
¡¡¡¡ÔÚLRµÄcontrollerÉϰ²×°oracle¿Í»§¶Ë£º
¡¡¡¡ÕâÒ»²½¾Í²»ÓÃ˵ÁË£¬°²×°Ö±½ÓSetup£¬°²×°¾ÍOKÁË¡£
¡¡¡¡1)°²×°Íêºó£¬ÏÈÅäÖÃÒ»ÏÂNet Configuration Assistant¡£¼ÇסÅäÖõķþÎñÃû¡£
¡¡¡¡ÅäÖóɹ¦»áÏÔʾ£ºÕýÔÚÁ¬½Ó...²âÊԳɹ¦¡£
¡¡¡¡2)ÓÃsqlplusÁ¬½Óһϣ¬¿´ÊÇ·ñ¿ÉÒÔÁ¬½Ó³É¹¦£¬´ò¿ªsqlplusÊäÈëorac ......

Oracle½ø³Ì½á¹¹

Oracle½ø³Ì½á¹¹
1. Oracle½ø³Ì¼ò½é
ÿ¸öÁ¬½Óµ½OracleµÄÓû§ÐèÒªÔËÐÐÁ½¸öÄ£¿é²ÅÄÜ·ÃÎÊOracleʵÀý¡£
¡£Ó¦ÓóÌÐò»òOracle¹¤¾ß£ºÊý¾Ý¿âÓû§ÐèÒªÔËÐÐÊý¾Ý¿âÓ¦ÓóÌÐò»òOracle¹¤¾ß£¨ÀýÈçSQL*Plus£©£¬ÏòOracleÊý¾Ý¿â·þÎñÆ÷Ìá½»SQLÓï¾ä¡£
¡£OracleÊý¾Ý¿â·þÎñÆ÷Ä£¿é£ºÎªÓû§Ìṩ·þÎñµÄOracleÊý¾Ý¿â³ÌÐò£¬¸ºÔð½âÊÍÖ´ÐÐÓ¦ÓóÌÐòÌá½» ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ