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