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1. Oracle°²×°Íê³ÉºóµÄԭʼ¿ÚÁ
¡¡internal/oracle
¡¡¡¡sys/change_on_install
¡¡¡¡system/manager
¡¡¡¡scott/tiger
¡¡¡¡sysman/oem_temp
2. ORACLE9IAS WEB CACHEµÄԭʼĬÈÏÓû§ºÍÃÜÂ룿
administrator/administrator
3. oracle 8.0.5ÈçºÎ½¨Á¢Êý¾Ý¿â£¿
ÓÃorainst¡£¼ÙÈçÓÐmotif½çÃ棬Äܹ»ÓÃorainst /m¡£
4. oracle 8.1.7ÈçºÎ½¨Á¢Êý¾Ý¿â£¿
dbassist
5. oracle 9i ÈçºÎ½¨Á¢Êý¾Ý¿â£¿
dbca
6. oracleÖеÄÂã×°±¸Ö¸µÄÊÇʲô£¿
Âã×°±¸¾ÍÊÇÈƹýÎļþϵͳֱ½Ó·ÃÎʵĴ¢´æ¿Õ¼ä¡£
7. oracleÈçºÎ Çø·Ö 64-bit/32bit °æ±¾£¿£¿£¿
$ sqlplus '/ AS SYSDBA'
SQL*Plus: Release 9.0.1.0.0 - Production on Mon Jul 14 17:01:09 2003
(c) Copyright 2001 Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.0.1.0.0 - Production
With the Partitioning option
JServer Release 9.0.1.0.0 - Production
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.0.1.0.0 - Production
PL/SQL Release 9.0.1.0.0 - Production
CORE 9.0.1.0.0 Production
TNS for Solaris: Version 9.0.1.0.0 - Production
NLSRTL Version 9.0.1.0.0 - Production
SQL>
8. SVRMGRʲôÒâ˼£¿
svrmgrl£¬Server Manager.
9iÏÂûÓУ¬ÒѾ­¸ÄΪÓÃSQLPLUSÁË¡£
sqlplus /nolog
±äΪ¹éµµÈÕÖ¾Ð͵ġ£
9. ÇëÎÊÈçºÎ ·Ö±æij¸öÓû§ÊÇ´ÓÄĄ̈»úÆ÷µÇ½ORACLEµÄ£¿
SELECT machine , terminal from V$SESSION;
10. ÓÃʲôÓï¾ä²éѯ×Ö¶ÎÄØ£¿
desc table_name Äܹ»²éѯ±íµÄ½á¹¹
select field_name,... from ... Äܹ»²éѯ×ֶεÄÖµ
select * from all_tables where table_name like '%'
select * from all_tab_columns where table_name='£¿£¿'
11. ÔõÑùµÃµ½´¥·¢Æ÷¡¢Á÷³Ì¡¢º¯ÊýµÄ½¨Á¢½Å±¾£¿
desc user_source
user_triggers
12. ÔõÑù¼ÆËãÒ»¸ö±íÕ¼ÓõĿռäµÄ´óС£¿
select owner,table_name,
NUM_ROWS,
BLOCKS*AAA/1024/1024 "Size M",
EMPTY_BLOCKS,
LAST_ANALYZED
from dba_tables
where table_name='XXX';
Here: AAA is the value of db_block_size ;
XXX is the table name you want to check
13. ÈçºÎ ²é¿´×î´ó»á»°Êý£¿
SELECT * from V$PA


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Oracle SQL PLUS µÇ¼ Æô¶¯ ¹Ø±Õ


Oracle SQL PLUS »ù±¾²Ù×÷1
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c:\>sqlplus "sys/test1234 as sysdba"  ÒÔsysdbaÉí·ÝµÇ¼
 
c:\>sqlplus/nolog   ÒÔnologÉí·ÝµÇ¼
sql> connect sys/test1234 as sysdba
Connected.
 
 
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SQL>  startup    &nb ......

ORACLE SQLµÄÓÅ»¯


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4.¼ìÑéÓÅ»¯µÄÁ¬½Ó¼¼Êõ
5.¾¡¿ÉÄܼõÉÙÖ´Ðмƻ®µÄCost
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ÏûºÄÁË70%~90%µÄÊý¾Ý¿â×ÊÔ´£»¶ÀÁ¢ÓÚ³ÌÐòÉè¼ÆÂß¼­£¬Ïà¶ÔÓÚ¶Ô³ÌÐòÔ´´úÂëµÄÓÅ»¯£¬¶ÔSQLÓï¾äµÄÓÅ» ......

Oracle SQLµÄÓÅ»¯

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1.È¥µô²»±ØÒªµÄ´óÐͱíµÄÈ«±íɨÃè
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4.¼ìÑéÓÅ»¯µÄÁ¬½Ó¼¼Êõ
5.¾¡¿ÉÄܼõÉÙÖ´Ðмƻ®µÄCost
SQLÓï¾ä£º
ÊǶÔÊý¾Ý¿â(Êý¾Ý)½øÐвÙ×÷µÄΩһ;¾¶£»
ÏûºÄÁË70%~90%µÄÊý¾Ý¿â×ÊÔ´£»¶ÀÁ¢ÓÚ³ÌÐòÉè¼ÆÂß¼­£¬Ïà¶ÔÓÚ¶Ô³ÌÐòÔ´´úÂëµÄÓÅ»¯£¬¶ÔSQLÓï¾äµÄÓÅ»¯Ô ......

Oracle²é¿´Óû§Ëø±íÐÅÏ¢

select p.spid,
       a.serial#,
       c.object_name,
       b.session_id,
       b.oracle_username,
       b.os_user_name
  from v$proces ......

oracleÁÙʱ±í

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1¡£»á»°ÌØÓеÄÁÙʱ±í
    CREATE GLOBAL TEMPORARY <TABLE_NAME> (<column specification>)
    ON COMMIT PRESERVE ROWS£»
 
2¡£ÊÂÎñÌØÓеÄÁÙʱ±í
    CREATE GLOBAL TEMPORARY <TABLE_N ......
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