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 /
CNUM = 4
PL/SQL ¹ý³ÌÒѳɹ¦Íê³É¡£
6.ɾ³ýº¯ÊýFN_ADDONE
--------------------
SQL> DROP FUNCTION USER1_ADB.FN_ADDONE;
Ïà¹ØÎĵµ£º
ÍøÉÏÓкܶà×ÊÁÏ£¬Ò²ÊDzο¼eygleµÄÎĵµ¡£
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 ......
1¡¢OracleÀïÃæÓû§µÄÃÜÂëÊǽøÐмÓÃܱ£´æµÄ,ËùÒÔÖ»ÄÜÖØÐÂÐÞ¸ÄÉú³ÉеÄÃÜÂë.
ÀûÓÃϵͳ¹ÜÀíÔ±(sys)µÇ¼,½«scottÓû§µÄÃÜÂëÐ޸ļ´¿É
SQL>conn / as sysdba ;
ÒÑÁ¬½Ó¡£
SQL>alter user scott identified by tiger
;
Óû§ÒѸü¸Ä¡£
µ±È»Ò²¿ÉÒÔµ½WEB¶Ë½øÐÐÐ޸ĵØÖ·È ......
oracle ·ÖÇø±íµÄ½¨Á¢·½·¨
OracleÌṩÁË·ÖÇø¼¼ÊõÒÔÖ§³ÖVLDB(Very Large DataBase)¡£·ÖÇø±íͨ¹ý¶Ô·ÖÇøÁеÄÅжϣ¬°Ñ·ÖÇøÁв»Í¬µÄ¼Ç¼£¬·Åµ½²»Í¬µÄ·ÖÇøÖС£·ÖÇøÍêÈ«¶ÔÓ¦ÓÃ͸Ã÷¡£
OracleµÄ·ÖÇø±í¿ÉÒÔ°üÀ¨¶à¸ö·ÖÇø£¬Ã¿¸ö·ÖÇø¶¼ÊÇÒ»¸ö¶ÀÁ¢µÄ¶Î£¨SEGMENT£©£¬¿ÉÒÔ´æ·Åµ½²»Í¬µÄ±í¿Õ¼äÖС£²éѯʱ¿ÉÒÔͨ¹ý²éѯ±íÀ´·ÃÎʸ÷¸ö· ......
1.²é¿´ËùÓÐÓû§
select * from all_users; -------²é¿´ËùÓеÄÓû§
select * from user_users; --------²é¿´µ±Ç°Óû§
2.²é¿´Óû§»ò½ÇɫϵͳȨÏÞ£º
select * from user_sys_privs; --------²é¿´µ±Ç°Óû§µÄȨÏÞ
3.²é¿´½ÇÉ«Ëù°üº¬µÄȨÏÞ
&nb ......