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

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

OracleÊý¾Ý¿â½â³ýscottÓû§Ëø

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 ROLLUPºÍCUBE Ó÷¨

ÔÚ×öÏîÄ¿¾­³£Óöµ½·Ö¿ÆÊÒ¡¢ÈËÔ±½øÐлã×ܵÄÎÊÌ⣬ÔÚORACLEÖжԴËÀàÎÊÌâµÄ´¦ÀíÏ൱·½±ã£¡ÏÂÃæÒÔÏîÄ¿ÖÐÓöµ½µÄʵÀý½øÐÐ˵Ã÷£º
²éѯÓï¾äÈçÏ£º
select f_sys_getsectnamebysectid(a.sectionid) as sectname,
        --a.sectionid,
       f_sys_employin ......

oracle dblink µÄÓ¦ÓÃ

oracle dblink µÄÓ¦ÓÃ
url:http://blog.chinaunix.net/u/19820/showart_334013.html
1¡¢ÓÃdblinkÁ´½Óoracle
£¨1£©ÓëÆ½Ì¨Î޹صÄд·¨£º
create public database
link cdt connect to apps
identified by apps using '(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.31.205.100)(PORT = 15 ......

oracleËø²éѯ³£Óýű¾

with
  lockinfo as (
   select distinct decode(sql_hash_value, 0, prev_hash_value, sql_hash_value) sql_hash_value, decode  (sql_hash_value, 0, prev_sql_addr, sql_address) sql_address, s.sid, l.id1 object_id, l.block
      from v$lock l, v$session s
&n ......

oracle Êý¾Ý¿â¸Äoracle_sidµÄ²Ù×÷·½·¨

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)
   ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ