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

OracleÊý¾Ý¿âÖмǼ±»ÁíÒ»¸öÓû§Ëø×¡

oracleÊý¾Ý¿âÖÐÐÞ¸ÄÊý¾ÝʱÌáʾ“¼Ç¼±»ÁíÒ»¸öÓû§Ëø×¡” ½â¾ö·½·¨£º
1>²é¿´Êý¾Ý¿âËø,Õï¶ÏËøµÄÀ´Ô´¼°ÀàÐÍ£º
¡¡¡¡select object_id,session_id,locked_mode from v$locked_object;
      »òÕßÓÃÒÔÏÂÃüÁ
      select b.owner,b.object_name,l.session_id,l.locked_mode
         from v$locked_object l, dba_objects b
         where b.object_id=l.object_id
2>ÕÒ³öÊý¾Ý¿âµÄserial#,ÒÔ±¸É±ËÀ£º
      select t2.username,t2.sid,t2.serial#,t2.logon_time
         from v$locked_object t1,v$session t2
         where t1.session_id=t2.sid order by t2.logon_time;
3>ɱËÀ¸Ãsession
¡¡¡¡alter system kill session 'sid,serial#'


Ïà¹ØÎĵµ£º

oracle ±íÖвåÈë¶àÐÐ

·½·¨Ò»£º
SQL>create table aa(a number);
´´½¨³É¹¦¡£
SQL> select * from aa;
A
--------
2
SQL>
SQL> insert all
2 into aa values(1)
3 into aa values(2)
4 select * from dual;
ÒÑ´´½¨2ÐС£
SQL> commit;
Ìá½»Íê³É¡£
SQL> select * from aa;
A
----------
2
1
2
·½·¨¶þ£º
S ......

Oracle ʵÏÖÐÐÁÐת»»

SQL> DESC TEST  ²âÊÔ±í:        Name    Type            Nullable    Default Comments
       ----     ------------ &# ......

oracleÁ¬½Ó×Ö·û´®½âÎö

      ÔÚÒ»¸ö»ùÓÚTCP/IPЭÒéµÄÍøÂç»·¾³ÖУ¬oracleÊý¾Ý·þÎñÆ÷ÔÚһ̨¼ÆËã»úÉÏ£¬¿Í»§¶ËÔÚÁíÍâһ̨¼ÆËã»úÉÏ£¬¿Í»§¶ËÒªÁ¬½Óµ½oracle·þÎñÆ÷ÎÒÃǾ­³£»áÊäÈ룺"C£º\sqlplus scott/tiger@shanghai"£¬ÕâÊÇoracle¿Í»§¶ËÁ¬½Ó·þÎñÆ÷ʱʹÓõÄÁ¬½ÓÃüÁÆäÖÐsqlplusÊÇoracle¿Í»§¶Ë³ÌÐò£¬scott/tigerÊǵǽ·þ ......

oracleÈÕÆÚ´¦ÀíÍêÈ«°æ(×ªÔØ)

TO_DATE¸ñʽ
Day:
dd number 12
dy abbreviated fri
day spelled out friday
ddspth spelled out, ordinal twelfth
Month:
mm number 03
mon abbreviated mar
month spelled out march
Year:
yy two digits 98
yyyy four digits 1998
24Сʱ¸ñʽÏÂʱ¼ä·¶Î§Îª£º 0:00:00 - 23:59:59....
12Сʱ¸ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ