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1¡¢su – oracle ²»ÊDZØÐ裬ÊʺÏÓÚûÓÐDBAÃÜÂëʱʹÓ㬿ÉÒÔ²»ÓÃÃÜÂëÀ´½øÈësqlplus½çÃæ¡£
2¡¢sqlplus /nolog »òsqlplus system/manager »ò./sqlplus system/manager@ora9i;
3¡¢SQL>connect / as sysdba ;£¨as sysoper£©»ò
connect internal/oracle AS SYSDBA ;(scott/tiger)
conn sys/change_on_install as sysdba;
4¡¢SQL>startup; Æô¶¯Êý¾Ý¿âʵÀý
5¡¢ ²é¿´µ±Ç°µÄËùÓÐÊý¾Ý¿â: select * from v$database;
select name from v$database;
desc v$databases; ²é¿´Êý¾Ý¿â½á¹¹×Ö¶Î
7¡¢ÔõÑù²é¿´ÄÄЩÓû§ÓµÓÐSYSDBA¡¢SYSOPERȨÏÞ:
SQL>select * from V_$PWFILE_USERS;
Show user;²é¿´µ±Ç°Êý¾Ý¿âÁ¬½ÓÓû§
8¡¢½øÈëtestÊý¾Ý¿â£ºdatabase test;
9¡¢²é¿´ËùÓеÄÊý¾Ý¿âʵÀý£ºselect * from v$instance£»
È磺ora9i
10¡¢²é¿´µ±Ç°¿âµÄËùÓÐÊý¾Ý±í£º
SQL> select TABLE_NAME from all_tables;
select * from all_tables;
SQL> select table_name from all_tables where table_name like '%u%';
TABLE_NAME
------------------------------
_default_auditing_options_
11¡¢²é¿´±í½á¹¹£ºdesc all_tables;
12¡¢ÏÔʾCQI.T_BBS_XUSERµÄËùÓÐ×ֶνṹ£º
desc CQI.T_BBS_XUSER;
13¡¢»ñµÃCQI.T_BBS_XUSER±íÖеļǼ£º
select * from CQI.T_BBS_XUSER;
14¡¢Ôö¼ÓÊý¾Ý¿âÓû§£º(test11/test)
create user test11 identified by test default tablespace users Temporary TABLESPACE Temp;
15¡¢Óû§ÊÚȨ:
grant connect,resource,dba to test11;
grant sysdba to test11;
commit;
16¡¢¸ü¸ÄÊý¾Ý¿âÓû§µÄÃÜÂ룺(½«sysÓësystemµÄÃÜÂë¸ÄΪtest.)
alter user sys indentified by test;
alter user system indentified by test;


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Oracle SQLʵÀý

1¡£select * from a where a.rowid=(select min(b.rowid) from b where a.id=b.id);
create test1(
nflowid number primary key, 
ndocid number,
drecvdate date);
insert into test1 values (1, 12301, sysdate) ;
insert into test1 values (2, 12301, sysdate);
select * from test1 order by drecvdate:
......

oracle 10G ÎﻯÊÓͼÐÂÌØÐÔ(²âÊÔЧ¹û²»ÀíÏë)

http://mrhaozi.itpub.net/post/41048/495175
ÎﻯÊÓͼ
ÀûÓÃÇ¿ÖÆ²éÑ¯ÖØÐ´ºÍеÄÇ¿´óµÄµ÷Õû¹ËÎʳÌÐò — ËüÃÇʹÄú²»ÔÙÐèҪƾ²Â²â½øÐй¤×÷ — µÄÒýÈ룬ÔÚ 10g ÖйÜÀíÎﻯÊÓͼ±äµÃ¸ü¼ÓÈÝÒ×
ÎﻯÊÓͼ (MV) — Ò²³ÆÎª¿ìÕÕ — Ò»¶Îʱ¼äÀ´ÒѾ­¹ã·ºÊ¹Óá£MV ÔÚÒ»¸ö¶ÎÖд洢²éѯ½á¹û£¬²¢ÇÒÄܹ»ÔÚÌá½»²éѯ ......

JDBC´æÈ¡ORACLE´óÐÍÊý¾Ý¶ÔÏóLOB¼¸ÖÖÇé¿öµÄʾ·¶Àà

      import Java.io.*;
¡¡¡¡import java.util.*;
¡¡¡¡import java.sql.*;
¡¡¡¡public class LobPros
¡¡¡¡{
¡¡¡¡/**
¡¡¡¡* OracleÇý¶¯³ÌÐò
¡¡¡¡*/
¡¡¡¡private static final String DRIVER = "oracle.jdbc.driver.OracleDriver";
¡¡¡¡/**
¡¡¡¡* ORACLEÁ¬½ÓÓÃURL
¡¡¡¡*/
¡¡¡¡p ......

sql serverºÍoracleÐÐתÁеÄÒ»ÖÖµäÐÍ·½·¨

sql serverºÍoracleÐÐתÁеÄÒ»ÖÖµäÐÍ·½·¨
ǰÑÔ£ºÍøÉÏÓв»ÉÙÎÄÕÂÊǽ²ÐÐתÁе쬵«ÊǴ󲿷ֶ¼ÊÇÖ±½ÓÌù´úÂ룬ºöÊÓÁËÖмä¹ý³Ì£¬±¾ÈË×Ô¼ºË¼¿¼ÁËÏÂΪʲôҪÕâÑùʵÏÖ£¬²¢ÇÒ×öÁËÈçϵıʼǣ¬¶ÔÓÐЩ¶®µÄÈËÀ´Ëµ¿ÉÄÜûÓмÛÖµ£¬Ï£Íû¶Ô»¹²»¶®µÄÈËÓÐÒ»µã½è¼øÒâÒå¡£
¶ÔÓÚÓÐЩҵÎñÀ´Ëµ£¬Êý¾ÝÔÚ±íÖеĴ洢ºÍÆä×îÖÕµÄGrid±íÏÖÇ¡ºÃÏ൱ÓÚ°ÑÔ ......

Oracle Finalizes Acquisition of Sun


We are pleased to announce that Oracle has completed its acquisition of Sun Microsystems and Sun is now a wholly owned subsidiary of Oracle. With this news, we want to reiterate our commitment to deliver complete, open and integrated systems that help our customers improve the performance, reliabi ......
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