Oracle²ð·Ö×Ö·û´®º¯Êý
--¶¨ÒåÀàÐÍ
CREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2(4000);
--´´½¨º¯Êý
CREATE OR REPLACE FUNCTION f_stringsplit (p_str IN VARCHAR2, p_delimiter IN VARCHAR2)
RETURN ty_str_split PIPELINED
/*****
****×Ö·û´®²ð·Ö,Ï൱ÓÚjava.lang.StringÀàµÄsplit·½·¨
****×¢Òâ:ÐÂÔötypes:CREATE OR REPLACE TYPE ty_str_split IS TABLE OF VARCHAR2 (100);
****´´½¨Õߣº
****ʱ¼ä£º
****ÕªÈ¡ÍøÂç×ÊÔ´
***/
IS
j INT := 0;
i INT := 1;
len INT := 0;
len1 INT := 0;
str VARCHAR2 (100);
BEGIN
len := LENGTH (p_str);
len1 := LENGTH (p_delimiter);
WHILE j < len
LOOP
j := INSTR (p_str, p_delimiter, i);
IF j = 0
THEN
j := len;
str := SUBSTR (p_str, i);
PIPE ROW (str);
IF i >= len
THEN
EXIT;
END IF;
ELSE
str := SUBSTR (p_str, i, j - i);
i := j + len1;
PIPE ROW (str);
END IF;
END LOOP;
RETURN;
END f_stringsplit;
--µ÷ÓÃ
select¡¡*¡¡from¡¡t
Ïà¹ØÎĵµ£º
1¡¢µÇ¼·½·¨:£ºsys or systemµÇ¼
Õ˺ţºsystem
ÃÜÂ룺system as sysdba---------¡·ÃÜÂë+as sysdba
conn system/password as sysdba
ʹÓÃÃüÁ
sql>alter user scott account unlock;
sql> commit;
Í ......
(Oracle£©rownumÓ÷¨Ïê½â
2008-08-06 15:41
¶ÔÓÚrownumÀ´ËµËüÊÇoracleϵͳ˳Ðò·ÖÅäΪ´Ó²éѯ·µ»ØµÄÐеıàºÅ£¬·µ»ØµÄµÚÒ»ÐзÖÅäµÄÊÇ1£¬µÚ¶þÐÐÊÇ2£¬ÒÀ´ËÀàÍÆ£¬Õâ¸öα×ֶοÉÒÔÓÃÓÚÏÞÖÆ²éѯ·µ»ØµÄ×ÜÐÐÊý£¬ÇÒrownum²»ÄÜÒÔÈκαíµÄÃû³Æ×÷Ϊǰ׺¡£
(1) rownum ¶ÔÓÚµÈÓÚijֵµÄ²éѯÌõ¼þ
Èç¹ûÏ£ÍûÕÒµ½Ñ§Éú±íÖеÚÒ»ÌõѧÉúµÄÐÅÏ¢£¬¿É ......
ÍæOracleÒ²ÓÐ2ÄêµÄʱ¼äÁË£¬ ÁãÁãɢɢµÄÒ²ÕûÀíһЩ×ÊÁÏ¡£ ¶«Î÷Ò»¶àÁË£¬¾ÍÀí²»Çå³þ¡£ ËùÒÔ½áºÏÕÅÏþÃ÷µÄ¡¶´ó»°Oracle RAC¡·µÄһЩÄÚÈÝ£¬ºÍ×Ô¼ºÕûÀíµÄһЩ±Ê¼Ç£¬¶ÔOracle µÄ±¸·ÝºÍ»Ö¸´×öÁËÒ»¸öϵͳµÄÕûÀí¡£ Ò²ÊÇ×Ô¼º¶Ô֪ʶµÄÒ»¸ö¹®¹Ì°É¡£
Ò»£® ×¼±¸ÖªÊ¶
ÏÈÀ´¿´Ò»Ð©×¼±¸ÖªÊ¶£¬Á˽â ......
ÐÞ ¸Ä SID
°¸Àý: ¾ÉÊý¾Ý¿â(OLDDB)
Îļþ´æ·Å(data files,redo files,control files,temp files, undo files)Ŀ¼ÊÇ
(/u01/OLDDB)
dumpÎļþĿ¼ÊÇ(/u01/dump)
ÐÂÊý¾Ý¿â(NEWDB)
......