锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20061;&#20061;&#31934;&#21697;&#22269;&#20135;&#20122;&#27954;&#65;&#86;&#26085;&#38889;&#44;&#20037;&#20037;&#31934;&#21697;&#20122;&#27954;&#31934;&#21697;&#22269;&#20135;&#33394;&#23159;&#13;&#44;&#20122;&#27954;&#97;&#118;&#20081;&#30721;&#19968;&#21306;&#20108;&#21306;&#19977;&#21306;&#25353;&#25705;</title><link>http://www.tkk7.com/msmary/category/47410.html</link><description>涔﹀北鏈夎礬鍕や負寰勶紝瀛︽搗鏃犳動鑻︿綔鑸?/description><language>zh-cn</language><lastBuildDate>Mon, 20 Dec 2010 10:31:37 GMT</lastBuildDate><pubDate>Mon, 20 Dec 2010 10:31:37 GMT</pubDate><ttl>60</ttl><item><title>瑙ｅ喅Oracle涓紝鐢ㄦ埛浣滀負SYSDBA鍙互浠ヤ換浣曞瘑鐮佺櫥褰?/title><link>http://www.tkk7.com/msmary/articles/341166.html</link><dc:creator>璋槑</dc:creator><author>璋槑</author><pubDate>Mon, 20 Dec 2010 06:50:00 GMT</pubDate><guid>http://www.tkk7.com/msmary/articles/341166.html</guid><wfw:comment>http://www.tkk7.com/msmary/comments/341166.html</wfw:comment><comments>http://www.tkk7.com/msmary/articles/341166.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/msmary/comments/commentRss/341166.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/msmary/services/trackbacks/341166.html</trackback:ping><description><![CDATA[<p>oracle璁よ瘉鏂瑰紡鍒嗕負鎿嶄綔緋葷粺璁よ瘉鍜屽彛浠ゆ枃浠惰璇?縐嶆柟寮忥紝鎿嶄綔緋葷粺璁よ瘉鏈夋椂鍊欎篃鍙湰鍦拌璇併�?br />
錛嶏紞鎿嶄綔緋葷粺璁よ瘉:鍗硂racle璁や負鎿嶄綔緋葷粺鐢ㄦ埛鏄彲闈犵殑錛屽嵆鏃㈢劧鑳界櫥闄嗗埌鎿嶄綔緋葷粺閭ｄ箞oracle鏁版嵁搴撲綘涔熻兘鐧婚檰<br />
錛嶏紞鍙ｄ護鏂囦歡璁よ瘉錛歰racle璁よ瘉璁や負鎿嶄綔緋葷粺鐢ㄦ埛鏄笉鍙俊浠葷殑錛屽鏋滆璁塊棶鏁版嵁搴擄紝蹇呴』榪涜鍐嶆璁よ瘉銆?/p>
<p>鍏蜂綋瀹炵幇濡備笅錛?br />
錛嶏紞鎿嶄綔緋葷粺璁よ瘉錛?br />
閰嶇疆sqlnet.ora鏂囦歡涓殑鍙傛暟錛歋QLNET.AUTHENTICATION_SERVICES錛?NTS)<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; spfile(pfile錛夋枃浠跺弬鏁幫細REMOTE_LOGIN_PASSWORDFILE=('NONE')<br />
榪欎釜鏃跺�欙紝鍙浣犵櫥闄嗘搷浣滅郴緇無racle鐢ㄦ埛鍚庯紝灝卞彲浠ョ洿鎺onn /as sysdba鐧婚檰鏁版嵁搴撲簡銆備絾鏄笉鑳介�氳繃oracle鐨刢lient鍘葷洿鎺ヨ繛鎺?as sysdba銆傚瀹㈡埛绔疭QLPLUSw鎴栬�呭叾瀹冨鎴風杞歡鐩存帴conn /as sysbd 銆?/p>
<p>錛嶏紞鍙ｄ護鏂囦歡璁よ瘉錛?br />
閰嶇疆sqlnet.ora鏂囦歡涓殑鍙傛暟錛歋QLNET.AUTHENTICATION_SERVICES錛?NONE)<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; spfile(pfile錛夋枃浠跺弬鏁幫細REMOTE_LOGIN_PASSWORDFILE=('EXCLUSIVE')鎴?'SHARED')<br />
榪欎釜鏃跺�欓渶瑕侀厤緗彛浠ゆ枃浠禤WDorcl.ora銆傦紙orcl涓烘暟鎹簱SID錛夊彲浠ラ�氳繃orapwd鍛戒護榪涜閰嶇疆鍙ｄ護錛屽叿浣撶敤娉昺an orapwd銆?br />
榪欑鎯呭喌涓嬶紝灝辨槸鍙ｄ護璁よ瘉妯″紡錛屼笉鑳戒嬌鐢ㄦ湰鍦扮敤鎴穋onn /as sysdba 榪欎釜鏃跺�欎細鎶ラ敊錛歄RA-01031 鏉冮檺涓嶈凍銆備綘蹇呴』浣跨敤conn sys/pwd@orcl as sysdba榪涜鐧婚檰錛氬氨鏄蹇呴』鎻愪緵鐢ㄦ埛鍚嶅拰瀵嗙爜鎵嶈兘鐧婚檰銆?orcl 涓篠ID錛?/p>
<p><br />
緋葷粺榛樿鏄搷浣滅郴緇熻璇佹ā寮忋�?/p>
<p>鍙﹁В錛?br />
&nbsp;濡傛灉鐢ㄧ殑鏄疻in緋葷粺鐨勮瘽錛屾搷浣滅郴緇熼噷闈㈡湁涓�涓猳ra_dba緇勶紝榪欎釜緇勯噷闈?br />
Members can connect to the Oracle database as a DBA without a password<br />
鍘繪帀榪欎釜緇勯噷鐨勬墍鏈夋垚鍛橈紝榪欐牱sys鐧婚檰灝變竴瀹氳姝ｇ‘鐨勫瘑鐮?/p>
<p><br />
鏈枃鏉ヨ嚜CSDN鍗氬錛岃漿杞借鏍囨槑鍑哄錛歨ttp://blog.csdn.net/luohuijun619/archive/2009/10/24/4724510.aspx</p>
<img src ="http://www.tkk7.com/msmary/aggbug/341166.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/msmary/" target="_blank">璋槑</a> 2010-12-20 14:50 <a href="http://www.tkk7.com/msmary/articles/341166.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>Oracle DBA 涓漢絎旇</title><link>http://www.tkk7.com/msmary/articles/341130.html</link><dc:creator>璋槑</dc:creator><author>璋槑</author><pubDate>Mon, 20 Dec 2010 02:07:00 GMT</pubDate><guid>http://www.tkk7.com/msmary/articles/341130.html</guid><wfw:comment>http://www.tkk7.com/msmary/comments/341130.html</wfw:comment><comments>http://www.tkk7.com/msmary/articles/341130.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/msmary/comments/commentRss/341130.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/msmary/services/trackbacks/341130.html</trackback:ping><description><![CDATA[<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 涓�銆?鏁版嵁搴撶殑鍚姩鍜屽叧闂?br />
1銆丱racle Server涓昏鐢變袱閮ㄥ垎緇勬垚錛欼nstance鍜孌atabase銆侷nstance鏄寚涓�緇勫悗鍙拌繘紼?綰跨▼鍜屼竴鍧楀叡浜唴瀛樺尯鍩?<br />
鑰孌atabase鏄寚瀛樺偍鍦ㄧ鐩樹笂鐨勪竴緇勭墿鐞嗘枃浠?</p>
<p>2銆丱racle鏁版嵁搴撶殑鍚姩涓昏鍖呭惈3涓楠わ細<br />
&nbsp;&nbsp; 錛?錛夊惎鍔ㄦ暟鎹簱鍒皀omount(鏈姞杞?鐘舵�侊紱&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; startup nomount<br />
&nbsp;&nbsp; 錛?錛夊惎鍔ㄦ暟鎹簱鍒癿ount(鍔犺澆)鐘舵�侊紱&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; alter database mount<br />
&nbsp;&nbsp; 錛?錛夊惎鍔ㄦ暟鎹簱鍒皁pen(鎵撳紑)鐘舵�侊紱&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; alter database open</p>
<p>3銆佸惎鍔ㄧ殑絎竴姝ワ紝Oracle棣栧厛瀵繪壘鍙傛暟鏂囦歡錛坧file/spfile錛夛紝鐒跺悗鏍規嵁鍙傛暟鏂囦歡涓殑璁劇疆錛屽垱寤哄疄渚嬶紝鍒嗛厤鍐呭瓨錛?br />
&nbsp;&nbsp;&nbsp;&nbsp; 鍚姩鍚庡彴榪涚▼銆?/p>
<p>4銆丱racle棣栧厛spfile&lt;sid&gt;.ora鏂囦歡浣滀負鍚姩鍙傛暟鏂囦歡錛涘鏋滆鏂囦歡涓嶅瓨鍦紝鍒欓�夋嫨spfile.ora,<br />
&nbsp;&nbsp;&nbsp;&nbsp; 鐒跺悗鏄痠nit&lt;sid&gt;.ora鏂囦歡銆?/p>
<p>5銆佸湪SQL*PLUS涓�氳繃show parameter spfile鍛戒護鏉ユ鏌ユ暟鎹簱鏄惁浣跨敤浜唖pfile鏂囦歡銆?/p>
<p>6銆佸弬鏁版枃浠朵腑錛岄�氬父闇�瑕佹渶灝戠殑鍙傛暟鏄?db_name,璁劇疆浜嗚繖涓弬鏁頒箣鍚庯紝鏁版嵁搴撳疄渚嬪氨鍙互鍚姩銆?/p>
<p>7銆佹煡鐪嬪弬鏁版枃浠剁己鐪佽礬寰勶細<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; show parameter dump_dest<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; show parameter control_files<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; show parameter db_name&nbsp;&nbsp;&nbsp; //鏄劇ず瀹炰緥鍚?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; show paramter compatible&nbsp;&nbsp; //鏄劇ず鍏煎</p>
<p>8銆佸湪浣跨敤RMAN錛圧ecovery Manager錛夋椂瀛樺湪鏇翠負鐗規畩鐨勬儏鍐碉紝Oracle鍏佽鍦ㄤ笉瀛樺湪鍙傛暟鏂囦歡鐨勬儏鍐典笅鍚姩涓�涓疄渚嬶紝<br />
&nbsp;&nbsp;&nbsp;&nbsp; 鏁版嵁搴撶殑 db_name浼氳緙虹渷鍛藉悕涓篋UMMY</p>
<p>9銆丩SNRCTL&gt; status&nbsp;&nbsp; //鏌ョ湅鐩戝惉鐘舵�?br />
&nbsp;&nbsp;&nbsp; LSNRCTL&gt; start&nbsp;&nbsp;&nbsp; //鍚姩鐩戝惉</p>
<p>10銆佸叧闂暟鎹簱 shutdown immediate&nbsp; 鑰岄潪 shutdown, shutdown 浼氫笉姝ｅ父鍏抽棴<br />
&nbsp;&nbsp;&nbsp; shutdown&nbsp;&nbsp; 姝ｅ父鍏抽棴錛岀瓑寰呮墍鏈夌殑鐢ㄦ埛鏂紑榪炴帴<br />
&nbsp;&nbsp;&nbsp; shutdown immediate&nbsp; 浣跨敤榪欎釜鍛戒護榪嬌姣忎釜鐢ㄦ埛鎵ц瀹屾垚褰撳墠鐨凷QL璇彞鍚庣珛鍗蟲柇寮�榪炴帴<br />
&nbsp;&nbsp;&nbsp; shutdown transactional&nbsp; 鎵цTransaction鍏抽棴錛岃揩浣跨敤鎴峰湪褰撳墠鎵ц瀹屾垚鍚庢柇寮�榪炴帴<br />
&nbsp;&nbsp;&nbsp; shutdown abort&nbsp; 緇堟瀹炰緥錛屽仠姝㈡墍鏈夌殑鎿嶄綔銆傛仮澶嶇牬鍧忕殑鏂囦歡錛屾暟鎹簱鏂囦歡涓嶈兘鍚屽叾浠栨暟鎹簱鏂囦歡淇濇寔涓�鑷?/p>
<p>11銆佸惎鍔ㄦ暟鎹簱鍒癿ount鐘舵�?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SQL&gt;alter database mount;<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鍦╩ount鏁版嵁搴撹繃紼嬩腑錛孫racle闇�瑕佹壘鍒版帶鍒舵枃浠跺茍閿佸畾鎺у埗鏂囦歡銆傚鏋滄帶鍒舵枃浠跺叏閮ㄤ涪澶辨鏃跺氨浼氭姤鍑哄涓嬮敊璇細<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ORA-00205:error in identifying controlfile,check alert log for more info</p>
<p>12銆佸惎鍔ㄦ暟鎹簱open闃舵<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SQL&gt;alter database open;</p>
<p>13銆丼CN (System Change Number) 緋葷粺鏀瑰彉鍙?br />
&nbsp;&nbsp;&nbsp; //鑾峰彇褰撳墠SCN&nbsp; select dbms_flashback.get_system_change_number from dual;</p>
<p>14銆佹煡媯�鐐?(Checkpoint)&nbsp; 鍑忓皯宕╂簝鎭㈠(Crash Recovery)鏃墮棿</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 浜屻�佸弬鏁板強鍙傛暟鏂囦歡</p>
<p>1銆佸垵濮嬪寲鍙傛暟鐨勫垎綾伙紝鍒嗕負3綾伙細鎺ㄥ鍙傛暟銆佹搷浣滅郴緇熶緷璧栧弬鏁板拰鍙彉鍙傛暟</p>
<p>2銆佹帹瀵煎弬鏁?Derived Parameters)<br />
&nbsp;&nbsp;&nbsp; 鎺ㄥ鍙傛暟閫氬父鏉ヨ嚜浜庡叾浠栧弬鏁扮殑榪愮畻錛屼緷璧栧叾浠栧弬鏁板緱鍑恒�傛墍浠ヨ繖綾誨弬鏁伴�氬父涓嶉渶瑕佷慨鏀廣�傚鏋滃己鍒朵慨鏀癸紝閭ｄ箞淇敼鍊間細瑕嗙洊鎺ㄥ鍊箋�?br />
&nbsp;&nbsp;&nbsp; 甯歌鐨勬綾誨弬鏁版湁寰堝錛屼緥濡傦紝SESSION鍙傛暟錛屽湪Oracle鏂囨。涓紝璇ュ弬鏁版寜浠ヤ笅鍏紡榪愮畻寰楀嚭錛?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SESSION = (1.1*PROCESSES) + 5<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 緙虹渷鎯呭喌涓嬶紝褰揚ROCESSES琚慨鏀規椂錛屾鍙傛暟浼氳嚜鍔ㄨ綆楀茍鐢熸晥</p>
<p>3銆佹搷浣滅郴緇熶緷璧栧弬鏁?br />
&nbsp;&nbsp;&nbsp; 鏌愪簺鍙傛暟鐨勬湁鏁堝�兼垨鍙栧�艱寖鍥翠緷璧栨垨鑰呭彈闄愪簬鎿嶄綔緋葷粺錛屽db_cache_size鍙傛暟錛岃緗甇racle浣跨敤鐨勫唴瀛樺ぇ灝忥紝璇ュ弬鏁扮殑鏈�澶у�煎氨瑕?br />
&nbsp;&nbsp;&nbsp; 鍙楅檺浜庣墿鐞嗗唴瀛樸�傝繖涓�綾誨弬鏁伴�氬父琚О涓烘搷浣滅郴緇熶緷璧栧弬鏁般�?/p>
<p>4.鍙彉鍙傛暟<br />
&nbsp;&nbsp;&nbsp; 鍙彉鍙傛暟閫氬父鍙互璋冩暣錛屾湁浜涜緗殑鏄檺鍒舵潯浠訛紝濡侽PEN_CURSORS錛涙湁鐨勫弬鏁版槸璁劇疆瀹歸噺錛屽DB_CACHE_SIZE絳夈�傝繖綾誨弬鏁伴�氬父鍙互<br />
&nbsp;&nbsp;&nbsp; 涓篋BA鎴栨渶緇堢敤鎴瘋皟鏁達紝浠庤�屼駭鐢熼檺鍒舵�ц兘鍙樺寲錛屽Oracle鑷沖叧閲嶈銆?/p>
<p>5銆佸垵濮嬪寲鍙傛暟閫氬父榪樻湁涓�浜涘叾浠栧垎綾繪柟寮?br />
&nbsp;&nbsp;&nbsp;&nbsp; a.鎸夌収淇敼鏂瑰紡鍒掑垎錛屽垵濮嬪寲鍙傛暟鍙堝彲浠ュ垎涓洪潤鎬佸弬鏁板拰鍔ㄦ�佸弬鏁般�?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 闈欐�佸弬鏁板彧鑳藉湪鍙傛暟鏂囦歡涓慨鏀癸紝鍦ㄩ噸鏂板惎鍔ㄥ悗鏂硅兘鐢熸晥錛涘姩鎬佸弬鏁板彲浠ュ姩鎬佽皟鏁達紝璋冩暣鍚庨�氬父鍙互绔嬪嵆鐢熸晥銆?br />
&nbsp;&nbsp;&nbsp;&nbsp; b.鎸夌収鑾峰彇鏂瑰紡涓嶅悓錛屽垵濮嬪寲鍙傛暟鍙堝彲浠ュ垎涓烘樉紺哄弬鏁板拰闅愬紡鍙傛暟銆?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鏄劇ず鍙傛暟鍙互閫氳繃v$parameter鏌ヨ寰楀埌錛涜�岄殣鍚弬鏁伴�氬父浠?#8220;_&#8221;寮�鍏籌紝蹇呴』閫氳繃鏌ヨ緋葷粺琛ㄦ柟鑳借幏寰楄繖浜涘弬鏁般�?/p>
<p>6銆丼PFILE鐨勬悳绱㈤『搴?br />
&nbsp;&nbsp;&nbsp;&nbsp; 閲嶆柊鍚姩鏁版嵁搴擄紝浣跨敤startup鍛戒護錛孫racle灝嗕細鎸夌収浠ヤ笅欏哄簭鍦ㄧ己鐪佺洰褰曚腑鎼滅儲鍙傛暟鏂囦歡銆?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1) spfile&lt;ORACLE_SID&gt;.ora,鍏剁己鐪佺洰褰曞涓?<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; UNIX: $ORACLE_HOME/dbs/<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NT: %ORACLE_HOME%\database<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2) spfile.ora,鍏剁己鐪佺洰褰曞涓?<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; UNIX: $ORACLE_HOME/dbs/<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NT: %ORACLE_HOME%\database<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3) init&lt;ORACLE_SID&gt;.ora, 鍏剁己鐪佺洰褰曞:<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; UNIX: $ORACLE_HOME/dbs/<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NT: %ORACLE_HOME%\database<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鍒涘緩浜唖pfile,閲嶆柊鍚姩鏁版嵁搴擄紝Oracle浼氭寜欏哄簭鎼滅儲浠ヤ笂鐩綍錛宻pfile灝變細鑷姩鐢熸晥銆?/p>
<p>7銆佽鎶ユ棩蹇楁枃浠?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鎺у埗璀︽姤鏃ュ織鏂囦歡浣嶇疆鐨勫垵濮嬪寲鍙傛暟鏄疊ACKGROUND_DUMP_DEST:<br />
&nbsp;&nbsp;&nbsp; SQL&gt; show parameter background_dump_dest&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鍏剁己鐪佹枃浠跺悕涓篴lert_&lt;sid&gt;.log</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 涓夈�佹暟鎹瓧鍏?/p>
<p>1銆佹暟鎹瓧鍏哥敱4閮ㄥ垎緇勬垚錛氬唴閮≧DBMS(X$)琛ㄣ�佹暟鎹瓧鍏歌〃銆佸姩鎬佹�ц兘(V$)瑙嗗浘鍜屾暟鎹瓧鍏歌鍥?/p>
<p>2銆佹暟鎹瓧鍏歌〃(Data Dictionary Table)鐢ㄤ互瀛樺偍琛ㄣ�佺儲寮曘�佺害鏉熶互鍙婂叾瀹冩暟鎹簱緇撴瀯鐨勪俊鎭�?br />
&nbsp;&nbsp;&nbsp; 榪欎簺瀵硅薄閫氬父浠?$"緇撳熬(濡倀ab$銆乷bj$銆乼s$絳?<br />
&nbsp;&nbsp; sql.bsq鏄潪甯擱噸瑕佺殑涓�涓枃浠訛紝鍏朵腑鍖呭惈浜嗘暟鎹瓧鍏歌〃鐨勫畾涔夊強娉ㄩ噴璇存槑錛岃鏂囦歡浣嶄簬$ORACLE_HOME/rdbms/admin鐩綍涓嬨�?/p>
<p>3銆佸姩鎬佹�ц兘瑙嗗浘(Dynamic Performance View) 璁板綍浜嗘暟鎹簱榪愯鏃朵俊鎭拰緇熻鏁版嵁<br />
&nbsp;&nbsp;&nbsp; 浠嶰racle 8寮�濮嬶紝GV$瑙嗗浘寮�濮嬭寮曞叆錛屽叾鍚箟涓篏lobal V$,闄や簡涓�浜涚壒渚嬪錛屾瘡涓猇$瑙嗗浘閮芥湁涓�涓搴旂殑GV$瑙嗗浘瀛樺湪銆?/p>
<p>&nbsp;&nbsp; 娉ㄦ剰,姣忎釜V$瑙嗗浘閮藉寘鍚被浼艱鍙ワ細<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; where inst_id = USERENV('Instance')<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鐢ㄤ簬闄愬埗榪斿洖褰撳墠瀹炰緥淇℃伅</p>
<p>4銆丱racle鐨刋$琛ㄤ俊鎭彲浠ヤ粠v$fixed_table涓煡鍒幫細<br />
&nbsp;&nbsp;&nbsp; SQL&gt; select count(*) from v$fixed_table where name like 'X$%';</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鍥涖�佸唴瀛樼鐞?/p>
<p>1銆丼GA 鎸囩郴緇熷叏灞�鍖?System Global Area)<br />
&nbsp;&nbsp;&nbsp; 涓�鍧楃敤浜庡姞杞芥暟鎹�佸璞″茍淇濆瓨榪愯鐘舵�佸拰鏁版嵁搴撴帶鍒朵俊鎭殑涓�鍧楀唴瀛樺尯鍩燂紝鍦ㄦ暟鎹簱瀹炰緥鍚姩鏃跺垎閰嶏紝褰撳疄渚嬪叧闂椂閲婃斁錛?br />
&nbsp;&nbsp;&nbsp; 姣忎釜瀹炰緥閮芥嫢鏈夎嚜宸辯殑SGA鍖?/p>
<p>2銆佹暟鎹紦鍐插尯 (Buffer Cache) 鐨勫ぇ灝忕敱鍒濆鍖栧弬鏁癲b_cache_size (8i涓槸db_block_size*db_block_buffers)鍐沖畾</p>
<p><br />
3銆佸浜嶴GA鍚勯儴鍒嗚緗紝鍙互浠庢暟鎹簱鐨勮鍥句腑鏌ヨ寰楀埌錛?br />
&nbsp;&nbsp;&nbsp;&nbsp; select * from v$sga;<br />
&nbsp;&nbsp;&nbsp;&nbsp; show sga</p>
<p>4銆丼GA鎬誨拰鍙楀弬鏁癝GA_MAX_SIZE璁劇疆鐨勫獎鍝?br />
&nbsp;&nbsp;&nbsp;&nbsp; show parameter sga_max_size<br />
&nbsp;&nbsp;&nbsp; Variable Size 鍖呮嫭 shared_pool_size銆乯ava_pool_size鍜宭arge_pool_size閮ㄥ垎</p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 浜斻�丅uffer Cache 涓?Shared Pool 鍘熺悊<br />
&nbsp;&nbsp; Buffer Cache 涓?Shared Pool鏄疭GA涓殑鏈�閲嶈鍜屾渶澶嶆潅鐨勪袱涓儴鍒?/p>
<p>1銆佸湪Buffer Cache涓紝Oracle閫氳繃鍑犱釜閾捐〃榪涜鍐呭瓨綆＄悊錛屽叾涓渶涓虹啛鐭ョ殑鏄疞RU List鍜孌irty List(涔熺粡甯歌縐頒負Write List,浠?i寮�濮?<br />
&nbsp;&nbsp;&nbsp; 鍥犱負綆楁硶鐨勬敼鍙橈紝涔熻縐頒負Checkpoint Queue)錛屽悇縐峀ist涓婂瓨鏀劇殑鏄寚鍚戝叿浣揃uffer鐨勬寚閽堛�?/p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鍏�侀噸鍋?Redo)</p>
<p>1銆侀噸鍋?Redo)鍜屾挙娑?Undo)鏄疧racle鐨勯噸瑕佺壒鎬э紝鐢ㄤ互淇濊瘉浜嬪姟鐨勫彲鎭㈠鎬у拰鍙挙娑堟�с�?/p>
<p>2銆佸湪鏁版嵁搴撲腑,Redo鐨勫姛鑳戒富瑕侀�氳繃3涓粍浠舵潵瀹炵幇:Redo Log Buffer銆丩GWR鍚庡彴榪涚▼鍜孯edo Log File(鍦ㄥ綊妗ｆā寮忎笅,<br />
&nbsp;&nbsp;&nbsp; Redo Log File鏈�緇堜細鍐欏嚭涓哄綊妗ｆ棩蹇楁枃浠?</p>
<p>3銆佹棩蹇楁枃浠剁殑鐘舵�侊細CURRENT銆丄CTIVE銆両NACTIVE鍜孶NUSED<br />
&nbsp;&nbsp;&nbsp; (1).CURRENT<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鎸囧綋鍓嶇殑鏃ュ織鏂囦歡錛岃鏃ュ織鏂囦歡鏄椿鍔ㄧ殑錛屽綋鍓嶆鍦ㄨ浣跨敤鐨勶紝鍦ㄨ繘琛屽穿婧冩仮澶嶆椂錛孋URRENT鐨勬棩蹇楁枃浠舵槸蹇呴』鐨勩�?br />
&nbsp;&nbsp;&nbsp; (2).ACTIVE<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鎸囨椿鍔ㄧ殑闈炲綋鍓嶆棩蹇楋紝璇ユ棩蹇楀彲浠ュ凡緇忓畬鎴愬綊妗ｄ篃鍙兘娌℃湁褰掓。錛屾椿鍔ㄧ殑鏃ュ織鏂囦歡鍦–rash鎭㈠鏃朵細琚敤鍒般�?br />
&nbsp;&nbsp;&nbsp; (3).INACTIVE<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鎸囬潪媧誨姩鏃ュ織錛岃鏃ュ織鍦ㄥ疄渚嬫仮澶嶆椂涓嶅啀闇�瑕侊紝浣嗘槸鍦ㄤ粙璐ㄦ仮澶嶆椂鍙兘浼氱敤鍒般�?br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鏃ュ織鏄惁瀹屾垚褰掓。錛屽彲浠ユ牴鎹甐$LOG.ARCHIVED瀛楁榪涜鍒ゆ柇<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; select * from v$log;<br />
&nbsp;&nbsp;&nbsp; (4).UNUSED<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 鎸囪鏃ュ織浠庢湭琚畾鍏ワ紝榪欑被鏃ュ織鍙兘鏄垰琚坊鍔犲埌鏁版嵁搴撴垨鑰呭湪RESETLOGS涔嬪悗琚噸緗�傝浣跨敤涔嬪悗錛岃鐘舵�佷細琚敼鍙樸�?/p>
<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 涓冦�佺瓑寰呬簨浠?/p>
<p>1銆侀�氳繃鏌ヨV$EVENT_NAME瑙嗗浘<br />
&nbsp;&nbsp;&nbsp; select count(*) from v$evnet_name;</p>
<p>2銆佺瓑寰呬簨浠跺彲浠ュ垎涓虹┖闂?idle)絳夊緟鍜岄潪絀洪棽(non-idle)絳夊緟浜嬩歡<br />
&nbsp;&nbsp;&nbsp;&nbsp; .絀洪棽浜嬩歡鎸嘜racle姝ｇ瓑寰呮煇縐嶅伐浣滐紝鍦ㄨ瘖鏂拰浼樺寲鏁版嵁搴撶殑鏃跺�欙紝涓嶇敤榪囧娉ㄦ剰榪欓儴鍒嗕簨浠躲�?br />
&nbsp;&nbsp;&nbsp;&nbsp; .闈炵┖闂茬瓑寰呬簨浠朵笓闂ㄩ拡瀵筄racle鐨勬椿鍔紝鎸囨暟鎹簱浠誨姟鎴栧簲鐢ㄨ繍琛岃繃紼嬩腑鍙戠敓鐨勭瓑寰咃紝鍦ㄨ皟鏁存暟鎹簱鐨勬椂鍊欏簲璇ュ叧娉ㄤ笌鐮旂┒<br />
</p>
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