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

ºÜ¼òµ¥µÄÎÊÌ⣬Çó¸ßÊÖÀ´£¬oracle Êý¾Ý¿âÃûÁбíµÄ»ñÈ¡

ÎÒÒª»ñÈ¡±¾»úÉÏÃæËùÓеÄÊý¾Ý¿âÃû£¬±¾»úÉÏÓÐ2¸öÊý¾Ý¿â
±ð¸æËßÎÒÓÃselect * from v$database»òÕßglobal_name»òÕßV$INSTANCE,ÄÇÖ»ÊÇÏÔʾµ±Ç°µÄÊý¾Ý¿âÃû£¬
Ò²²»Òª¸æËßÎÒÈ¥¶Átnsnames.oraÎļþ£¬ÄÇÌ«Âé·³ÁË£¬
Çó¸ßÊÖÖ¸µ¼¡£
×Ô¼ºÐ´¸ö³ÌÐò...¼òµ¥ÓÖ¿ì


Ö»ÄܶÁtnsnames.oraÎļþ¡£ÒòΪÈç¹ûÒªÓÃSQL²éѯµÄ»°£¬Ò»°ã¶¼»áÐèÒªµÇ½¡£¶øµÇ½ÔòÐèÒªµÇ½µ½¾ßÌåµÄʵÀý²Å¿ÉÒÔдSQL²éѯ¡£

ÒýÓÃ
×Ô¼ºÐ´¸ö³ÌÐò...¼òµ¥ÓÖ¿ì


×Ô¼ºÐ´¸ö³ÌÐò¡£¡£¡£¸üÂé·³

¶à¸öÊý¾Ý¿âÏà¶Ô¶ÀÁ¢£¬²»ºÃ´ÓÊý¾Ý¿â±¾ÉíµÄ×Öµä±íÀ´È¡µÃ°É£¬
Ö»¿ÉÄÜ´Ó²Ù×÷ϵͳ·½ÃæµÄÅäÖÃÎļþÈ¥½â¾öÁË

²»ÖªµÀÕâ¸öÀïÃæÓÐûÓÐÄãÏëÒªµÄ¶«Î÷?
SQL code:

select
SYS_CONTEXT('USERENV','TERMINAL') terminal,
SYS_CONTEXT('USERENV','LANGUAGE') language,
SYS_CONTEXT('USERENV','SESSIONID') sessionid,
SYS_CONTEXT('USERENV','INSTANCE') instance,
SYS_CONTEXT('USERENV','ENTRYID') entryid,
SYS_CONTEXT('USERENV','ISDBA') isdba,
SYS_CONTEXT('USERENV','NLS_TERRITORY') nls_territory,
SYS_CONTEXT('USERENV','NLS_CURRENCY') nls_currency,
SYS_CONTEXT('USERENV','NLS_CALENDAR') nls_calendar,
SYS_CONTEXT('USER


Ïà¹ØÎÊ´ð£º

OracleµÄblob×Ö¶ÎÎÊÌâ - Oracle / ¿ª·¢

²éÁËÒ»ÌìµÄblob£¬»¹ÊÇûÀí½âµ½£¬ÎÒÏëÔÚVCÏ´æÈ¡¶þ½øÖƵÄÎļþ£¬Ê¹ÓõÄÊÇoo4o£¬ÕÕ×ŰïÖúÎĵµÉÏÃæµÄдÁËдÈëÊý¾Ý¿âµÄ´úÂ룬»¹ÊÇûд¶Ô£¬´íÎóÌáʾÊÇthis operation is not permitted on a empty LOB£¬ÕâÊÇʲôÒâ˼°¡£¿ÕÕ ......

pl/sql - Oracle / ¿ª·¢

СµÜ£¬×î½üҪתÐÐÈ¥×öoracle¿ª·¢ÁË£¬ÓÉÓÚ´óѧ±Ïҵʱ£¬×ßÁ˸öÍä·£¬ÏÖÔÚºÜСÐÄ£¬ÎÊÏ£¬×öPL/SQLÓÐûÓÐǰ;£¿£¿£¿
µ±È»ÎÒ˵µÄÕâ¸öǰ;ÊÇÖ¸ ÒÔºóÒªÌø²Û£¬Êг¡¶ÔÕâÑùµÄÈ˲ŵÄÐèÇóÁ¿´ó²»´ó£¿£¿

3q ÄÇ¿´À´»¹Ö»ÄÜÏȽӴ ......

[Ô­´´] ORACLE Á¬½Ó×Ö´® - Oracle / ·Ç¼¼ÊõÇø

¼ÙÉètable01 ÖÐÓÐ ÒÔÏÂ×ÊÁÏ
emp_no emp_name
------- ------------
0001 TOM
0002 JOHN
0003 MARY
³£Óõ绰 
¶øÎÒÃÇÒªµÃµ½ÒÔϵÄOUTPUT (»òÊǸ÷ÖÖÆäËûµÄoutput)
0001,TOM
0002,JOHN ......

eclipseÖÐÁ¬½ÓoracleµÄÎÊÌâ - Oracle / »ù´¡ºÍ¹ÜÀí

eclipse 3.3Æô¶¯web¹¤³Ì£¬ÒªÁ¬½Óoracle9iÊý¾Ý¿â±¨
ÑÏÖØ: Cannot create PoolableConnectionFactory (Listener refused the connection with the following error:
ORA-12518, TNS:listener could not hand off cli ......

Çë½ÌOracleÊÂÎñ¸ôÀë¼¶±ðÎÊÌâ - Oracle / ·Ç¼¼ÊõÇø

²é¿´ÊÂÎñ¸ôÀë¼¶±ðµÄÃüÁ
MySQLʹÓõÄÊÇselect @@tx_isolation;
ÔÚOracleÖв鿴ÊÂÎñ¸ôÀë¼¶±ðµÄÃüÁîÊÇÄĸö£¿

SQL code:

SELECT /*+ rule */ s.username,decode(l.type,'TM','TABLE LOCK','TX','ROW LOCK', ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ