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select sysdate  µ±Ç°Ê±¼ä,
       sys.login_user  Êý¾Ý¿âÓû§,
       machine   µÇ¼»úÆ÷Ãû,
       SYS_CONTEXT('USERENV', 'IP_ADDRESS')   µÇ¼IP,
       program   Ó¦ÓóÌÐò
  from v$session
 where AUDSID = USERENV('SESSIONID');


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oracle¸´Ï°£¨Ò»£© Ö®OracleÌåϵ½á¹¹

      ѧϰOracle DBAÒ²°ë¸ö¶àѧÆÚÁË£¬½ñÌìÃÍÈ»²Å·¢ÏÖ£¬Ô­À´ÎÒµÄÊ黹ÊǺÜеģ¬ÉϿβÙ×÷ʱºòÒ²Ö»ÊÇÖªµÀ´ó¸ÅÔõô×ö£¬µ«ÊÇÒªÕæµÄÈ«²¿×Ô¼º×ö£¬¶ø²»È¥·­Ê黹ÊÇÓÐÒ»¶¨µÄÄѶȵģ¬ËùÒÔÄØ£¬½ñÌ쿪ʼ½«DBA´ÓÍ·¸´Ï°Ò»±é£¬Í¬Ê±ÔÙ²Ù×÷Ò»±é¡£
      µÚÒ»Õ£¬Ñ§µÄÊÇOracleµÄÌåϵ½á¹¹£ ......

[Oracle 10g] ÉÁ»Ø»Ö¸´Çø (Flash Recovery Area)

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Oracle 10g ÓÐÒ»Ïîй¦ÄܳÆÎª:×Ô¶¯µÄ»ùÓÚ´ÅÅ̵ı¸·ÝÓë»Ö¸´( Automatic Disk-Based Backup and Recovery )¡£ÊµÏָù¦ÄܵĻù´¡Îª±¾ÎÄÒª½²ÊöµÄÉÁ»Ø»Ö¸´Çø( Flash Recovery Area )¡£ÉÁ»Ø»Ö¸´ÇøÊÇ Oracle 10g ÖеÄÐÂÊÂÎï¡£¼òµ¥µÄ˵£¬ÉÁ»Ø»Ö¸´ÇøÊÇÒ»¿éÓÃÒÔ´æ´¢»Ö¸´Ïà¹ØµÄÎļþµÄ´æ´¢¿Õ¼ä¡£ÔÊÐíÓû§¼¯Öд洢ËùÓлָ ......

oracle ʱ¼äÀàÐÍ C#

ÔÚsqlÓï¾äÖÐÉæ¼°µ½Ê±¼äÀàÐÍʱ ÈôÖ»ÏëÒªÈÕÆÚ  to_date('2007-7-8','yyyy-mm-dd')
  ÔÚC#ÖÐÓÐdatetimeÀàÐÍ£¬´úÂë˵Ã÷Ò»ÇÐ
  DateTime dt = System.DateTime.Now;
string lsh;
lsh=string.Format("{0:yyyyMMddHHmmss}", dt);
DateTime dt = DateTime.Now;
Label1.Text = dt.To ......

Oracle ×ÜÕÊÄ£¿é»á¼ÆÒµÎñÖÜÆÚ

Oracle ×ÜÕÊÄ£¿éµÄÒ»¸ö»á¼ÆÒµÎñÖÜÆÚÈçÏÂ:
             1.´ò¿ª×ÜÕÊ»á¼ÆÆÚ
             2.¼ÈëÊÖ¹¤Æ¾Ö¤,°üÀ¨:· ÊÖ¹¤±ê׼ƾ֤
          ......

Oracle 10.1 Statistics

Oracle 10.1 Statistics£º
In Oracle 9.2 there were 264 statistics; in Oracle 10.1 there are 332 statistics
The following table shows the 106 statistics that were added in Oracle 10.1:
 
Name
application wait time
cluster wait time
concurrency wait time
consistent gets direct
consistent ......
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