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閲庤崏 2006-05-09 17:38 鍙戣〃璇勮
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錛堣漿錛塷racle緋葷粺琛ㄦ煡璇?/title><link>http://m.tkk7.com/patterns/archive/2006/04/11/oracle_systable_query.html</link><dc:creator>閲庤崏</dc:creator><author>閲庤崏</author><pubDate>Tue, 11 Apr 2006 03:04:00 GMT</pubDate><guid>http://m.tkk7.com/patterns/archive/2006/04/11/oracle_systable_query.html</guid><wfw:comment>http://m.tkk7.com/patterns/comments/40402.html</wfw:comment><comments>http://m.tkk7.com/patterns/archive/2006/04/11/oracle_systable_query.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://m.tkk7.com/patterns/comments/commentRss/40402.html</wfw:commentRss><trackback:ping>http://m.tkk7.com/patterns/services/trackbacks/40402.html</trackback:ping><description><![CDATA[ <p> <font size="2">鎽樿嚜錛?/font> <a > <font size="2">http://www.gbunix.com/htmldata/2004_06/2/5/article_53_1.html</font> </a> <br /> <br /> <font size="2">鏁版嵁瀛楀吀dict鎬繪槸灞炰簬Oracle鐢ㄦ埛sys鐨勩?<br />銆銆1銆佺敤鎴鳳細 <br />銆銆銆select username from dba_users; <br />銆銆鏀瑰彛浠?<br />銆銆銆alter user spgroup identified by spgtest; <br />銆銆2銆佽〃絀洪棿錛?<br />銆銆銆select * from dba_data_files; <br />銆銆銆select * from dba_tablespaces;//琛ㄧ┖闂?</font> </p> <p> <font size="2">銆銆銆select tablespace_name,sum(bytes), sum(blocks) <br />銆銆銆銆from dba_free_space group by tablespace_name;//絀洪棽琛ㄧ┖闂?</font> </p> <p> <font size="2">銆銆銆select * from dba_data_files <br />銆銆銆銆where tablespace_name='RBS';//琛ㄧ┖闂村搴旂殑鏁版嵁鏂囦歡 </font> </p> <p> <font size="2">銆銆銆select * from dba_segments <br />銆銆銆銆where tablespace_name='INDEXS'; <br />銆銆3銆佹暟鎹簱瀵硅薄錛?<br />銆銆銆select * from dba_objects; <br />銆銆銆CLUSTER銆丏ATABASE LINK銆丗UNCTION銆両NDEX銆丩IBRARY銆丳ACKAGE銆丳ACKAGE BODY銆?<br />銆銆銆PROCEDURE銆丼EQUENCE銆丼YNONYM銆乀ABLE銆乀RIGGER銆乀YPE銆乁NDEFINED銆乂IEW銆?<br />銆銆4銆佽〃錛?<br />銆銆銆select * from dba_tables; <br />銆銆銆analyze my_table compute statistics;->dba_tables鍚?鍒?<br />銆銆銆select extent_id,bytes from dba_extents <br />銆銆銆where segment_name='CUSTOMERS' and segment_type='TABLE' <br />銆銆銆order by extent_id;//琛ㄤ嬌鐢ㄧ殑extent鐨勪俊鎭俿egment_type='ROLLBACK'鏌ョ湅鍥炴粴孌電殑絀洪棿鍒嗛厤淇℃伅 <br />銆銆銆鍒椾俊鎭細<br />聽聽聽聽聽聽聽聽聽聽聽聽聽<1>.<br />銆銆銆銆select distinct table_name <br />銆銆銆銆from user_tab_columns <br />銆銆銆銆where column_name='SO_TYPE_ID';聽<br />聽聽聽聽聽聽聽聽聽聽聽聽<2>.<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽<font style="BACKGROUND-COLOR: #ffffff">鏌ヨ琛ㄧ殑鍒楀悕銆佹敞閲娿佺被鍨嬨侀暱搴?br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽select a.table_name,a.COLUMN_NAME,b.COMMENTS,a.DATA_TYPE,a.DATA_LENGTH<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽from user_tab_columns a,user_col_comments b<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽where a.table_NAME = b.table_NAME<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽and a.COLUMN_NAME = b.COLUMN_NAME<br />聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽and a.TABLE_NAME = 'table_name';<br /></font>聽聽聽聽聽聽聽聽聽聽聽聽<br />銆銆5銆佺儲寮曪細銆 <br />銆銆銆select * from dba_indexes;//绱㈠紩錛屽寘鎷富閿儲寮?<br />銆銆銆select * from dba_ind_columns;//绱㈠紩鍒?<br />銆銆銆select i.index_name,i.uniqueness,c.column_name <br />銆銆銆銆from user_indexes i,user_ind_columns c <br />銆銆銆銆銆where i.index_name=c.index_name <br />銆銆銆銆銆and i.table_name ='ACC_NBR';//鑱旀帴浣跨敤 <br />銆銆6銆佸簭鍒楋細 <br />銆銆銆select * from dba_sequences; <br />銆銆7銆佽鍥撅細 <br />銆銆銆select * from dba_views; <br />銆銆銆select * from all_views; <br />銆銆text 鍙敤浜庢煡璇㈣鍥劇敓鎴愮殑鑴氭湰 <br />銆銆8銆佽仛綈囷細 <br />銆銆銆select * from dba_clusters; <br />銆銆9銆佸揩鐓э細 <br />銆銆銆select * from dba_snapshots; <br />銆銆蹇収銆佸垎鍖哄簲瀛樺湪鐩稿簲鐨勮〃絀洪棿銆?<br />銆銆10銆佸悓涔夎瘝錛?<br />銆銆銆select * from dba_synonyms <br />銆銆銆銆where table_owner='SPGROUP'; <br />銆銆銆銆//if owner is PUBLIC,then the synonyms is a public synonym. <br />銆銆銆銆銆if owner is one of users,then the synonyms is a private synonym. <br />銆銆11銆佹暟鎹簱閾撅細 <br />銆銆銆select * from dba_db_links; <br />銆銆鍦╯pbase涓嬪緩鏁版嵁搴撻摼 <br />銆銆銆create database link dbl_spnew <br />銆銆銆connect to spnew identified by spnew using 'jhhx'; <br />銆銆銆insert into </font> <a href="mailto:acc_nbr@dbl_spnew"> <font size="2">acc_nbr@dbl_spnew</font> </a> <font size="2"> <br />銆銆銆select * from acc_nbr where nxx_nbr='237' and line_nbr='8888'; <br />銆銆12銆佽Е鍙戝櫒錛?<br />銆銆銆select * from dba_trigers; <br />銆銆瀛樺偍榪囩▼錛屽嚱鏁頒粠dba_objects鏌ユ壘銆?<br />銆銆鍏舵枃鏈細select text from user_source where name='BOOK_SP_EXAMPLE'; <br />銆銆寤虹珛鍑洪敊錛歴elect * from user_errors; <br />銆銆oracle鎬繪槸灝嗗瓨鍌ㄨ繃紼嬶紝鍑芥暟絳夎蔣浠舵斁鍦⊿YSTEM琛ㄧ┖闂淬?<br />銆銆13銆佺害鏉燂細 <br />銆銆錛?錛夌害鏉熸槸鍜岃〃鍏寵仈鐨勶紝鍙湪create table鎴朼lter table table_name add/drop/modify鏉ュ緩绔嬨佷慨鏀廣佸垹闄ょ害鏉熴?<br />銆銆鍙互涓存椂紱佹綰︽潫錛屽錛?<br />銆銆銆alter table book_example <br />銆銆銆disable constraint book_example_1; <br />銆銆銆alter table book_example <br />銆銆銆enable constraint book_example_1; <br />銆銆錛?錛変富閿拰澶栭敭琚О涓鴻〃綰︽潫錛岃宯ot null鍜寀nique涔嬬被鐨勭害鏉熻縐頒負鍒楃害鏉熴傞氬父灝嗕富閿拰澶栭敭浣滀負鍗曠嫭鐨勫懡鍚嶇害鏉熸斁鍦ㄥ瓧孌靛垪琛ㄤ笅闈紝鑰屽垪綰︽潫鍙斁鍦ㄥ垪瀹氫箟鐨勫悓涓琛岋紝榪欐牱鏇村叿鏈夊彲璇繪с?<br />銆銆錛?錛夊垪綰︽潫鍙粠琛ㄥ畾涔夌湅鍑猴紝鍗砫escribe;琛ㄧ害鏉熷嵆涓婚敭鍜屽閿紝鍙粠dba_constraints鍜宒ba_cons_columns 鏌ャ?<br />銆銆銆select * from user_constraints <br />銆銆銆where table_name='BOOK_EXAMPLE'; <br />銆銆銆select owner,CONSTRAINT_NAME,TABLE_NAME <br />銆銆銆銆from user_constraints <br />銆銆銆銆where constraint_type='R' <br />銆銆銆銆order by table_name; <br />銆銆錛?錛夊畾涔夌害鏉熷彲浠ユ棤鍚嶏紙緋葷粺鑷姩鐢熸垚綰︽潫鍚嶏級鍜岃嚜宸卞畾涔夌害鏉熷悕錛堢壒鍒槸涓婚敭銆佸閿級 <br />銆銆濡傦細create table book_example <br />銆銆銆銆(identifier number not null); <br />銆銆銆銆create table book_example <br />銆銆銆銆(identifier number constranit book_example_1 not null); <br />銆銆14銆佸洖婊氭錛?<br />銆銆鍦ㄦ墍鏈夌殑淇敼緇撴灉瀛樺叆紓佺洏鍓嶏紝鍥炴粴孌典腑淇濇寔鎭㈠璇ヤ簨鍔℃墍闇鐨勫叏閮ㄤ俊鎭紝蹇呴』浠ユ暟鎹簱鍙戠敓鐨勪簨鍔℃潵鐩稿簲紜畾鍏跺ぇ灝忥紙DML璇彞鎵嶅彲鍥炴粴錛宑reate,drop,truncate絳塂DL涓嶈兘鍥炴粴錛夈?<br />銆銆鍥炴粴孌墊暟閲?騫跺彂浜嬪姟/4錛屼絾涓嶈兘瓚呰繃50錛涗嬌姣忎釜鍥炴粴孌靛ぇ灝忚凍澶熷鐞嗕竴涓畬鏁寸殑浜嬪姟錛?<br />銆銆銆create rollback segment r05 <br />銆銆銆tablespace rbs; <br />銆銆銆create rollback segment rbs_cvt <br />銆銆銆tablespace rbs <br />銆銆銆storage(initial 1M next 500k); <br />銆銆浣垮洖婊氭鍦ㄧ嚎 <br />銆銆銆alter rollback segment r04 online; <br />銆銆鐢╠ba_extents,v$rollback_segs鐩戞祴鍥炴粴孌電殑澶у皬鍜屽姩鎬佸闀褲?<br />銆銆鍥炴粴孌電殑鍖洪棿淇℃伅 <br />銆銆銆select * from dba_extents <br />銆銆銆where segment_type='ROLLBACK' and segment_name='RB1'; <br />銆銆鍥炴粴孌電殑孌典俊鎭?鍏朵腑bytes鏄劇ず鐩墠鍥炴粴孌電殑瀛楄妭鏁?<br />銆銆銆select * from dba_segments <br />銆銆銆銆where segment_type='ROLLBACK' and segment_name='RB1'; <br />銆銆涓轟簨鐗╂寚瀹氬洖褰掓 <br />銆銆銆set transaction use rollback segment rbs_cvt <br />銆銆閽堝bytes鍙互浣跨敤鍥炴粴孌靛洖緙┿?<br />銆銆銆alter rollback segment rbs_cvt shrink; <br />銆銆銆select bytes,extents,max_extents from dba_segments <br />銆銆銆銆where segment_type='ROLLBACK' and segment_name='RBS_CVT'; <br />銆銆鍥炴粴孌電殑褰撳墠鐘舵佷俊鎭細 <br />銆銆銆select * from dba_rollback_segs <br />銆銆銆銆where segment_name='RB1'; <br />銆銆姣斿鍥炴粴孌電姸鎬乻tatus錛屽洖婊氭鎵灞炲疄渚媔nstance_num <br />銆銆鏌ヤ紭鍖栧紀ptimal <br />銆銆銆select n.name,s.optsize <br />銆銆銆銆from v$rollname n,v$rollstat s <br />銆銆銆銆銆where n.usn=s.usn; <br />銆銆鍥炴粴孌典腑鐨勬暟鎹?<br />銆銆銆set transaction use rollback segment rb1;/*鍥炴粴孌靛悕*/ <br />銆銆銆select n.name,s.writes <br />銆銆銆銆from v$rollname n,v$rollstat s <br />銆銆銆銆銆where n.usn=s.usn; <br />銆銆褰撲簨鍔″鐞嗗畬姣曪紝鍐嶆鏌ヨ$rollstat錛屾瘮杈僿rites(鍥炴粴孌墊潯鐩瓧鑺傛暟)宸鹼紝鍙‘瀹氫簨鍔$殑澶у皬銆?<br />銆銆鏌ヨ鍥炴粴孌典腑鐨勪簨鍔?<br />銆銆銆column rr heading 'RB Segment' format a18 <br />銆銆銆column us heading 'Username' format a15 <br />銆銆銆column os heading 'Os User' format a10 <br />銆銆銆column te heading 'Terminal' format a10 <br />銆銆銆select r.name rr,nvl(s.username,'no transaction') us,s.osuser os,s.terminal te <br />銆銆銆銆from v$lock l,v$session s,v$rollname r <br />銆銆銆銆銆where l.sid=s.sid(+) <br />銆銆銆銆銆and trunc(l.id1/65536)=R.USN <br />銆銆銆銆銆and l.type='TX' <br />銆銆銆銆銆and l.lmode=6 <br />銆銆銆order by r.name; <br />銆銆15銆佷綔涓?<br />銆銆鏌ヨ浣滀笟淇℃伅 <br />銆銆銆select job,broken,next_date,interval,what from user_jobs; <br />銆銆銆select job,broken,next_date,interval,what from dba_jobs; <br />銆銆鏌ヨ姝e湪榪愯鐨勪綔涓?<br />銆銆銆select * from dba_jobs_running; <br />銆銆浣跨敤鍖卐xec dbms_job.submit(:v_num,'a;',sysdate,'sysdate + (10/(24*60*60))')鍔犲叆浣滀笟銆傞棿闅?0縐掗挓 <br />聽聽聽 exec dbms_job.submit(:v_num,'a;',sysdate,'sysdate + (11/(24*60))')鍔犲叆浣滀笟銆傞棿闅?1鍒嗛挓浣跨敤鍖卐xec dbms_job.remove(21)鍒犻櫎21鍙蜂綔涓氥?br /></font> </p> <img src ="http://m.tkk7.com/patterns/aggbug/40402.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://m.tkk7.com/patterns/" target="_blank">閲庤崏</a> 2006-04-11 11:04 <a href="http://m.tkk7.com/patterns/archive/2006/04/11/oracle_systable_query.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>涓涓暟鎹簱杞紪鐮佺殑闂http://m.tkk7.com/patterns/archive/2006/03/08/orcleCoding.html閲庤崏閲庤崏Wed, 08 Mar 2006 13:28:00 GMThttp://m.tkk7.com/patterns/archive/2006/03/08/orcleCoding.htmlhttp://m.tkk7.com/patterns/comments/34364.htmlhttp://m.tkk7.com/patterns/archive/2006/03/08/orcleCoding.html#Feedback0http://m.tkk7.com/patterns/comments/commentRss/34364.htmlhttp://m.tkk7.com/patterns/services/trackbacks/34364.html鍦╦ava涓垜浠粡甯鎬嬌鐢ㄤ竴涓嬭娉?/FONT>

......
String exSQL = " SELECT * FROM PK_TEST WHERE ID = ?";     
pstmt = conn.prepareStatement(exSQL);
pstmt.setString(1,idValue);
ResultSet rs = pstmt.executeQuery();
......

鍏朵腑PK_TEST緇撴瀯濡備笅錛?/FONT>

CREATE TABLE PK_TEST (
  ID      CHAR (9)      NOT NULL,
  NAME    VARCHAR2 (40),
  GENDER  CHAR (1),
  CONSTRAINT PK_PK_TEST
  PRIMARY KEY ( ID ) ) ;
娉ㄦ剰錛欼D鏄疌HAR (9)

鍦ㄨ〃涓彃鍏ユ祴璇曟暟鎹細
INSERT INTO PK_TEST ( ID, NAME, GENDER ) VALUES ('1        ', 'test1', '1');
INSERT INTO PK_TEST ( ID, NAME, GENDER ) VALUES ('2        ', 'test2', '0');
INSERT INTO PK_TEST ( ID, NAME, GENDER ) VALUES ('3        ', 'test3', '1');
INSERT INTO PK_TEST ( ID, NAME, GENDER ) VALUES ('123456789', 'test4', '0');
INSERT INTO PK_TEST ( ID, NAME, GENDER ) VALUES ('987654321', 'test5', '1');

浣跨敤Toad鎵ц:
SELECT * FROM PK_TEST WHERE ID ='1';
SELECT * FROM PK_TEST WHERE ID ='1        ';

閮芥病鏈夐棶棰橈紝浣嗗鏋滄垜灝嗗墠闈ava璇硶pstmt.setString(1,idValue);涓殑idValue璧嬪間負'1'錛岀▼搴忓氨鏄彇涓嶅埌鍊鹼紱
緇х畫嫻嬭瘯錛?BR>SELECT * FROM PK_TEST WHERE ID = :ID;
璧嬪間負'1'錛屾病鏈夌粨鏋滐紱
璧嬪間負'1        '錛岀粨鏋滃嚭鏉ヤ簡錛?/FONT>

鍙鏃犺鍦╦dbc榪樻槸鍦ㄦ暟鎹簱涓蔣緙栫爜鍜岀‖緙栫爜鏈変竴瀹氱殑鍖哄埆銆?/FONT>

鍞夛紒鏁寸悊鏁版嵁搴撲腑鐨勪富閿惂錛欼D = SUBSTR(TRIM(ID)||'000000000',0,9);



閲庤崏 2006-03-08 21:28 鍙戣〃璇勮
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ORACLE 9i 鏁版嵁搴撳疄渚嬬殑鍚姩http://m.tkk7.com/patterns/archive/2006/03/08/ORACLE9i_startup_shutdown.html閲庤崏閲庤崏Wed, 08 Mar 2006 13:26:00 GMThttp://m.tkk7.com/patterns/archive/2006/03/08/ORACLE9i_startup_shutdown.htmlhttp://m.tkk7.com/patterns/comments/34363.htmlhttp://m.tkk7.com/patterns/archive/2006/03/08/ORACLE9i_startup_shutdown.html#Feedback0http://m.tkk7.com/patterns/comments/commentRss/34363.htmlhttp://m.tkk7.com/patterns/services/trackbacks/34363.html鍦╳indows2000騫沖彴涓婏紝瀹夎瀹孫RACLE 9i錛岀郴緇熸湇鍔′腑鏈塐RACLE 9i鐨勬湇鍔★紝鍙互瀵瑰叾榪涜錛氬惎鍔ㄣ佸仠姝㈠拰閲嶅惎鐨勬搷浣滐紝浣嗗疄闄呬笂ORACLE 9i 鏁版嵁搴撳疄渚嬫槸涓嶅惉鍏舵帶鍒剁殑錛屽繀欏婚氳繃浠ヤ笅鐨勮娉曟墠鑳芥帶鍒禣RACLE 9i 鏁版嵁搴撳疄渚嬬殑鍚姩鍜屽仠姝細

sqlplus /nolog
connect
system/manager@SID as sysdba
startup
shutdown



閲庤崏 2006-03-08 21:26 鍙戣〃璇勮
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