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7.6.3Êý¾Ý¿âϵͳÔËά·þÎñ

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ORACLE DBά»¤·½·¨

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1¡¢ÒÔoracleÓû§Óû§µÇ¼£¬

sqlplus¡®/as sysdba¡¯ sqlplus> startup

2¡¢ÒÔoracleÓû§»òora816Óû§µÇ¼

sqlplus¡®/as sysdba¡¯ sqlplus>startup nomunt sqlplus >alter database mount£» sqlplus >alter database open£»

3¡¢µÚÒ»ÖÖÆô¶¯·½Ê½ÊÇ×î³£ÓõÄÊÖ¹¤Æô¶¯·½Ê½£¬µÚ¶þÖÖÆô¶¯·½Ê½ÊÇÊý¾Ý¿âÓйÊÕÏʱ³£ÓõÄÖð²½Æô¶¯·½Ê½£¬¿ÉÒÔ¹Û²ì¹ÊÕϵ㡣ÒòΪstartup nomount Óï¾äÖ»¶ÁÈ¡spfile£¨server parameter file Êý¾Ý¿â²ÎÊýÎļþ£©£¬Æô¶¯instance£¬Æô¶¯SGAºÍºǫ́½ø³Ì£»alter database mountÓï¾ä´ò¿ª¿ØÖÆÎļþ£¬È·ÈÏÊý¾ÝÎļþºÍÁª»úÈÕÖ¾ÎļþµÄλÖ㬵«´Ëʱ²»¶ÔÊý¾ÝÎļþºÍÈÕÖ¾Îļþ½øÐÐУÑé¼ì²é£»alter database open´ò¿ª°üÀ¨Redo logÎļþÔÚÄÚµÄËùÓÐÊý¾Ý¿âÎļþ£¬ÕâÖÖ·½Ê½Ï¿ɷÃÎÊÊý¾Ý¿âÖеÄÊý¾Ý¡£StartupÍê³É¹¦ÄÜÊÇÉÏÊöÈýÌõÓï¾äµÄÖ®ºÍ¡£ Êý¾Ý¿âÍ£Ö¹

1¡¢ sqlplus ¡®/as sysdba¡¯

sqlplus>shutdown normal Õý³£·½Ê½¹Ø±ÕÊý¾Ý¿â¡£ 2¡¢shutdown immediate

Á¢¼´·½Ê½¹Ø±ÕÊý¾Ý¿â,ÔÚ SQLPLUSÖÐÖ´ÐÐshutdown immediate£¬Êý¾Ý¿â²¢²»Á¢¼´¹Ø±Õ£¬¶øÊÇÔÚËùÓÐÊÂÎñÖ´ÐÐÍê±Ï²¢Ìá½»¹¤×÷ºó²Å¹Ø±Õ£¬ËùÒÔ¿ÉÄÜ»áµÈ´ý£¬Òò´ËÔڹرÕÊý¾ÝǰҪͣµôÁ¬½Óµ½Êý¾Ý¿âµÄËùÓÐÓ¦ÓóÌÐò¡£½¨ÒéÈÕ³£Î¬»¤¹¤×÷ÖеĹرÕÊý¾Ý¿â£¬²ÉÓô˷½Ê½¡£

3¡¢shutdown abort

Ö±½Ó¹Ø±ÕÊý¾Ý¿â£¬ÕýÔÚ·ÃÎÊÊý¾Ý¿âµÄ»á»°»á±»Í»È»ÖÕÖ¹¡£Èç¹ûÊý¾Ý¿âÖÐÓдóÁ¿

²Ù×÷ÕýÔÚÖ´ÐУ¬ÕâʱִÐÐshutdown abortºó£¬ÒòÈÕÖ¾»Ø¹ö¡¢Ç°¹ö£¨Roll Back/Roll Forward£©£¬Ï´ÎÖØÐÂÆô¶¯Êý¾Ý¿âÐèÒª½Ì³¤Ê±¼ä¡£µ±ÓÃshutdown immediate²»ÄܹرÕÊý¾Ý¿âʱ£¬shutdown abort¿ÉÒÔÁ¢¼´Íê³ÉÊý¾Ý¿âµÄ¹Ø±Õ²Ù×÷¡£ ¼àÌýÆ÷µÄÆôÍ£

1¡¢¼àÌýÆ÷µÄÆô¶¯£¬ÒÔoracleÓû§Óû§µÇ¼

lsnrctl start [$ORACLE_SID]

2¡¢¼àÌýÆ÷µÄÍ£Ö¹£¬ÒÔoracleÓû§Óû§µÇ¼

lsnrctl stop [$ORACLE_SID]

3¡¢¼àÌýÆ÷״̬µÄ²é¿´£¬ÒÔoracleÓû§Óû§µÇ¼

lsnrctl status [$ORACLE_SID]

4¡¢¼ì²â·þÎñÃûÊÇ·ñÓÐЧ£¬ÔÚ²Ù×÷ϵͳÏÂÔËÐÐ

tnsping SERVICE_NAME NUMBERS

SERVICE_NAMEΪÄ㽨Á¢µÄ·þÎñÃû£¬NUMBERSΪÄãÒªÊÔPINGÊý¾Ý¿â·þÎñµÄ´ÎÊý Óû§¹ÜÀí

1¡¢ÓÃSQLÓï¾ä²é¿´ÏµÍ³ÖÐÒÑÓÐÓû§Çé¿ö select * from dba_users;

2¡¢Ôö¼ÓеÄÓû§£¬²¢ÊÚÓèÁ¬½ÓºÍ×ÊԴȨÏÞ£¬Ö»ÓÐÊÚÓèÁ¬½ÓȨÏ޲ſɵǼ£¬ÊÚ

Óè×ÊԴȨÏ޲ſɽ¨±íºÍÐÞ¸Ä

create user USERNAME profile defaultidentified by PASSWORD default tablespace DEFALUT_TABLESPACE_NAME temporary tablespace TEMP_TABLESPACE_NAME ; grant connect to USERNAME; grant resource to USERNAME;

3¡¢ÐÞ¸ÄÓû§¿ÚÁî

alter user USERNAME identified by NEWPASSWORD;

4¡¢É¾³ýÓû§

drop user USERNAME;

5¡¢ÏÞ֯ij¸öÒÑÓÐÓû§»á»°µÄÁ¬½ÓÊý(ͨ¹ý´´½¨profileµÄ·½Ê½)

create profile PROFILENAME limit sessions_per_user

CONNECT_NUMBERS;

alter user USERNAME profile PROFILENAME;

Êý¾Ý¿â²ÎÊýÎļþ

1¡¢²ÎÊýÎļþλÖÃ$ORACLE_HOME/dbs/spfileINSTANCE_NAME.ora,²ÎÊýÖ÷Òª·ÖΪ

¶¯Ì¬²ÎÊýºÍ·Ç¶¯Ì¬²ÎÊý£¬¶¯Ì¬²ÎÊýÐ޸Żֱ½ÓÉúЧ£¬·Ç¶¯Ì¬²ÎÊýÐèÒªÖØÐÂÆô¶¯Êý¾Ý¿â²ÅÄÜÉúЧ¡£ 2¡¢ Ð޸IJÎÊýµÄ·½·¨

altersystem set PARAMETER_NAME = VAlUE scope=both(system/spfile)

3¡¢¼¸¸öÖØÒªµÄ²ÎÊý

A¡¢db_block_size Êý¾Ý¿â¿é´óС£¬Êý¾Ý¿â´´½¨Ê±¾ö¶¨£¬´´½¨ºó²»ÄÜÐ޸ġ£ B¡¢db_block_buffers Êý¾Ý¸ßËÙ»º³åÇø´óСΪ´ËÖµÓëdb_block_buffesµÄ³Ë

»ý£¬¸ÃÇøÔ½´óÔ½ºÃ¡£

C¡¢share_pool_size ³ÌÐò¸ßËÙ»º³åÇøºÍÊý¾Ý×ֵ仺³åÇøµÄ´óС£¬Ö÷ÒªÓÃÓÚ´æ

´¢Ö´ÐйýµÄsqlÓï¾ä£¬¼õÉÙÖØ¸´·ÖÎö£¬Ìá¸ßÔËÐÐËÙ¶È¡£¸ÃÇøÒ²Ô½´óÔ½ºÃ£¬µ«½¨ÒéÊý¾Ý¸ßËÙ»º³åÇø¼ÓÉϳÌÐò¸ßËÙ»º³åÇøºÍÊý¾Ý×ֵ仺³åÇøµÄ´óС£¨¼´SGA£©Ò»°ã²»³¬¹ýϵͳÎïÀíÄÚ´æµÄ50%¡£

D¡¢sort_area_size ÿ¸ö»á»°ÓÃÓÚÅÅÐò²Ù×÷µÄÄÚ´æ´óС£¬½¨ÒéΪĬÈÏÖµµÄÁ½

±¶µ½£±MÖ®¼ä¡£

E¡¢process ÄÜͬʱ·ÃÎÊÊý¾Ý¿âµÄ×î´ó½ø³ÌÊý£¬¸ù¾ÝÁ¬½ÓÊýµÄ¶àÉÙ£¬À´É趨£¬

Ò»°ãΪ300ÒÔÉÏ¡£

F¡¢db_io_slaves ºǫ́д½ø³ÌÊý ¶ÔI/O±È½Ï·±Ã¦µÄÊý¾Ý¿â£¬¿ÉÒÔ½«ÆäÉèΪ¶à

ÓÚ1¸ö¡£

£¨ÒÔÉϲÎÊýÒÔ9iΪ²Î¿¼£¬ÔÚ10gÀï¸ö±ð²ÎÊýÃûÓÐËù±ä»¯£© Êý¾Ý¿â¸Å¿öµÄ²éѯ

1¡¢±í¿Õ¼äµÄÇé¿ö

select tablespace_name,stauts from dba_tablespaces;

2¡¢Êý¾ÝÎļþµÄÇé¿ö

SELECT FILE_NAME,FILE_ID,TABLESPACE_NAME FROM DBA_DATA_FILES;

3¡¢¶ÎµÄÇé¿ö

SELECT SEGMENT_NAME,,TABLESPACE_NAME,SEGMENT_ID,FILE_ID,STATUS FROM DBA_ROLLBACK_SEGS;

4¡¢±í¡¢´æ´¢¹ý³ÌµÄÓµÓÐÕßÃû×ֺʹ´½¨ÈÕÆÚ

select owner,object_name,object_type,created from all_objects

where object_type=¡¯TABLE¡¯OR OBJECT_TYPE=¡¯PROCEDURE'

5¡¢ÆäËû³£ÓõÄÊÓͼºÍ±í

v$lock ËøµÄÇé¿ö v$session »á»°µÄÇé¿ö v$process ½ø³ÌµÄÇé¿ö v$parameter Êý¾Ý¿â²ÎÊý v$rollname »Ø¹ö¶ÎµÄÇé¿ö v$sqlarea ¹²Ïí³ØÖеÄSQLÓï¾ä v$waitstat µÈ´ýµÄ»á»° dba_jobs Êý¾ÝÀﶨÒåµÄ×÷Òµ

dba_jobs_running Êý¾Ý¿âÀïÕýÔÚÔËÐеÄ×÷Òµ dba_views Êý¾Ý¿âÖÐËùÓÐÊÓͼµÄÎı¾ dba_indexs Êý¾Ý¿âÖÐËùÓÐË÷ÒýµÄÃèÊö dba_free_space Êý¾Ý¿âÖÐËùÓбí¿Õ¼ä×ÔÓÉ·ÖÇø dba_db_links Êý¾Ý¿âÖÐËùÓÐÊý¾Ý¿âÁ´½Ó

³£ÓöÔÏóµÄ´´½¨ºÍʹÓÃ

1¡¢±íµÄ´´½¨(ÔÚ±í¿Õ¼äzyÉÏ´´½¨±ídhhmΪÀý)

create table dhhm

(hm varchar2(11) ,

yhmc varchar2(60)) tablespace zy;

2¡¢Ë÷ÒýµÄ´´½¨(½«DHHM±íÉÏhm×ֶν¨Á¢Ë÷Òýhmsy´æ´¢ÔÚ±í¿Õ¼äzyÉÏΪÀý)

create index hmsy on dhhm(hm) tablespace zy;

3¡¢ÒÑÓд洢¹ý³Ì¡¢º¯Êý¡¢°üÔ´´úÂëµÄ²éÕÒ

select name,text from user_source where name=NAME;

4¡¢Êý¾Ý¿âÁ´½ÓµÄ´´½¨ºÍʹÓÃ

create public database link DBLINKNAME.world connect to USERNAME identdied by PASWORD using SERVICENAME; select * from TABLE_NAME@DBLINKNAME;

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