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²é¿´ÐÞ¸Äǰsga_max_size£¬sga_target´óС
show parameter sga_max_size;
show parameter sga_target;
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alter system set sga_max_size=1600m scope=spfile;
alter system set sga_target=1600m scope=spfile;
²é¿´Ð޸ĺósga_max_size£¬sga_target´óС
show parameter sga_max_size;
show parameter sga_target;
±¸×¢£ºalter system set sga_target=1600m scope=spfile;ºóÃæ±ØÐëÒª¼Óscope=spfile£¬Ö¸¶¨ÐÞ¸ÄSpfile¡£·ñÔò»á±¨“ÎÞ·¨Ð޸ijõʼ»¯²ÎÊý”µÄ´í¡£


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ϵͳ±ív$reserved_wordsÖдæ·ÅÁËËùÓеı£Áô×Ö¡£
select * from v$reserved_words;
 OracleÓÐ500¸ö±£Áô×Ö£¬¼ÇסËùÓеı£Áô×ÖÓеãÀ§ÄÑ£¬Ã¿´Î¶¼²éÕÒ»áÓ°Ïìµ½¿ª·¢ËÙ¶È£¬Èç ......

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OracleµÄUNDOTBS01.DBFÎļþÌ«´óµÄ½â¾ö°ì·¨
1¡¢.½ûÖ¹undo tablespace×Ô¶¯Ôö³¤
alter   database   datafile   'full_path\undotbs01.dbf'   autoextend   off;
2.-- ´´½¨Ò»¸öеÄС¿Õ¼äµÄundo tablespace
create undo tablespace undotBS2 datafile ......

Redhat Linux oracle 10g em °´Å¥ÂÒÂë½â¾ö

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OS : Redhat AS 4 U5
DB : Oracle 10.2.0.3
1.ÐÞ¸Äjdk ÏÂÃæµÄ×ÖÌå¡£
[oracle@rac2 db_1]$ cd $ORACLE_HOME/jdk/jre/lib/
[oracle@rac2 lib]$ mv font.properties font.properties_bak
[oracle@rac2 lib]$
[oracle@rac2 lib]$ cp font.properties.zh_CN.Redhat font.propertie ......

oracle instr


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SQL> select
instr('yuechaotianyuechao','ao') position from dual;
 
  POSITION
----------
        
6
 
´Ó×Ö·û´®'yuechaotianyuechao'µÄµÚÒ»¸öλÖÿªÊ¼£¬Ïòºó² ......

oracle Function


5.µ÷Óú¯ÊýFN_ADDONE
--------------------
SQL> SET SERVEROUTPUT ON
SQL> DECLARE CNUM NUMBER;
  2  BEGIN
  3     CNUM := USER1_ADB.FN_ADDONE(3);
  4     DBMS_OUTPUT.PUT_LINE('CNUM = ' || CNUM);
  5  END;
  6&nbs ......
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