1銆佸鏋滀綘鐨刼racle8.1.7鏄師濮嬬増鐨勶紝媯鏌?br />/stage/Components/oracle.swd.jre/
1.1.7.30/1/DataFiles/Expanded/jre/win32/bin涓嬬殑symcjit.dll鏂囦歡錛屾敼鍚嶆垨鑰呯洿鎺ュ垹闄ゃ?br />/stage/Components/oracle.omb.jdk/1.1.8/1/DataFiles/Expanded/jdk118_nt/bin璺緞涓嬬殑symcjit.dll鏂囦歡鍋氬悓鏍峰鐞嗐?/p>
2銆佸鏋滈亣鍒扮偣鍑籹etup.exe鏃犲弽搴旓紝鍦╥nstall鐩綍涓嬫墦寮鏂囦歡鈥檕raparam.ini鈥欐妸鍙傛暟 JRE_MEMORY_OPTIONS鏀逛負
RE_MEMORY_OPTIONS = -nojit -ms16m -mx32m 鍗沖彲銆?br />
3銆佹墽琛屾湰鍦扮‖鐩榠nstall\win32\setup.exe鐩綍涓嬬殑Setup.exe鏂囦歡銆傛鏃惰皟鐢ㄧ殑鏄慨鏀硅繃鐨勫弬鏁版枃浠秓raparam.ini銆偮?br />聽
4銆佸畨瑁呮椂閫夋嫨鑷畾涔夋ā寮忥紝騫朵笖涓嶅垱寤烘暟鎹簱銆?
聽聽 鍏蜂綋鍙傜収<windows+oracle8 install manual>
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sql2錛歴elect聽聽 column_name聽聽 from聽聽 user_tab_columns聽聽 where聽聽 table_name='table1';
鎴戝湪榪愯sql1鐨勬椂鍊欑鍒幫紝濡傛灉鏁版嵁搴撲腑鏈夌浉鍚岀敤鎴風殑璇濓紝浼氭绱㈠嚭閲嶅鐨勫瓧孌靛悕銆?br />鍚庢潵鎶婄敤鎴風殑dba鏉冮檺鍘繪帀浜嗗氨濂戒簡銆?br />revoke dba from user1;
榪愯sql2錛岃櫧鐒朵笉鍑虹幇閲嶅鐨勶紝浣嗘槸瀹㈡埛璇存渶緇堝伐紼嬫墍鐢ㄧ殑DB鐢ㄦ埛鍜岃〃鐨勬墍鏈夎呬笉鏄竴涓紝鎵浠ヤ笉鑳界敤user_table_columns銆?br />oracle鐭ヨ瘑澶己涔忥紝涓嶆槑鐧藉鎴瘋鐨勬剰鎬?br />
鍏充簬sql1閲嶅鐨勯棶棰橈紝榪樻槸涓嶆竻妤氾紝鍏蜂綋鐨勫弬鐓ф潈闄愬簲璇ユ庝箞鍙栨秷錛熷彇娑坉ba澶ぇ浜嗗惂銆?img src ="http://www.tkk7.com/sanwish/aggbug/244074.html" width = "1" height = "1" />
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鍋囪鏌愪釜琛?t1(c1) 鏈?20 鏉¤褰?br />
濡傛灉鐢?select rownum,c1 from t1 where rownum < 10, 鍙鏄敤灝忎簬鍙鳳紝鏌ュ嚭鏉ョ殑緇撴灉寰堝鏄撳湴涓庝竴鑸悊瑙ｅ湪姒傚康涓婅兘杈炬垚涓鑷達紝搴旇涓嶄細鏈変換浣曠枒闂殑銆?br />
鍙鏋滅敤 select rownum,c1 from t1 where rownum > 10 (濡傛灉鍐欎笅榪欐牱鐨勬煡璇㈣鍙ワ紝榪欐椂鍊欏湪鎮ㄧ殑澶磋剳涓簲璇ユ槸鎯沖緱鍒拌〃涓悗闈?0鏉¤褰?錛屼綘灝變細鍙戠幇錛屾樉紺哄嚭鏉ョ殑緇撴灉瑕佽鎮ㄥけ鏈涗簡錛屼篃璁告偍榪樹細鎬鐤戞槸涓嶈皝鍒犱簡涓浜涜褰曪紝鐒跺悗鏌ョ湅璁板綍鏁幫紝浠嶇劧鏄?20 鏉″晩錛熼偅闂鏄嚭鍦ㄥ摢鍛紵
鍏堝ソ濂界悊瑙?rownum 鐨勬剰涔夊惂銆傚洜涓篟OWNUM鏄緇撴灉闆嗗姞鐨勪竴涓吉鍒楋紝鍗沖厛鏌ュ埌緇撴灉闆嗕箣鍚庡啀鍔犱笂鍘葷殑涓涓垪 (寮鴻皟錛氬厛瑕佹湁緇撴灉闆?銆傜畝鍗曠殑璇?rownum 鏄絎﹀悎鏉′歡緇撴灉鐨勫簭鍒楀彿銆傚畠鎬繪槸浠?寮濮嬫帓璧風殑銆傛墍浠ヤ綘閫夊嚭鐨勭粨鏋滀笉鍙兘娌℃湁1錛岃屾湁鍏朵粬澶т簬1鐨勫箋傛墍浠ユ偍娌″姙娉曟湡鏈涘緱鍒頒笅闈㈢殑緇撴灉闆嗭細
11 aaaaaaaa
12 bbbbbbb
13 ccccccc
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rownum >10 娌℃湁璁板綍錛屽洜涓虹涓鏉′笉婊¤凍鍘繪帀鐨勮瘽錛岀浜屾潯鐨凴OWNUM鍙堟垚浜?錛屾墍浠ユ案榪滄病鏈夋弧瓚蟲潯浠剁殑璁板綍銆傛垨鑰呭彲浠ヨ繖鏍風悊瑙ｏ細
ROWNUM 鏄竴涓簭鍒楋紝鏄痮racle鏁版嵁搴撲粠鏁版嵁鏂囦歡鎴栫紦鍐插尯涓鍙栨暟鎹殑欏哄簭銆傚畠鍙栧緱絎竴鏉¤褰曞垯rownum鍊間負1錛岀浜屾潯涓?錛屼緷嬈＄被鎺ㄣ傚鏋滀綘鐢?gt;,>=,=,between...and榪欎簺鏉′歡錛屽洜涓轟粠緙撳啿鍖烘垨鏁版嵁鏂囦歡涓緱鍒扮殑絎竴鏉¤褰曠殑rownum涓?錛屽垯琚垹闄わ紝鎺ョ潃鍙栦笅鏉★紝鍙槸瀹冪殑rownum榪樻槸1錛屽張琚垹闄わ紝渚濇綾繪帹錛屼究娌℃湁浜嗘暟鎹?br />
鏈変簡浠ヤ笂浠庝笉鍚屾柟闈㈠緩绔嬭搗鏉ョ殑瀵?rownum 鐨勬蹇碉紝閭ｆ垜浠彲浠ユ潵璁よ瘑浣跨敤 rownum 鐨勫嚑縐嶇幇鍍?br />
1. select rownum,c1 from t1 where rownum != 10 涓轟綍鏄繑鍥炲墠9鏉℃暟鎹憿錛熷畠涓?select rownum,c1 from tablename where rownum < 10 榪斿洖鐨勭粨鏋滈泦鏄竴鏍風殑鍛紵
鍥犱負鏄湪鏌ヨ鍒扮粨鏋滈泦鍚庯紝鏄劇ず瀹岀 9 鏉¤褰曞悗錛屼箣鍚庣殑璁板綍涔熼兘鏄?!= 10,鎴栬?>=10,鎵浠ュ彧鏄劇ず鍓嶉潰9鏉¤褰曘備篃鍙互榪欐牱鐞嗚В錛宺ownum 涓?鍚庣殑璁板綍鐨?rownum涓?0錛屽洜鏉′歡涓?!=10錛屾墍浠ュ幓鎺夛紝鍏跺悗璁板綍琛ヤ笂錛宺ownum鍙堟槸10錛屼篃鍘繪帀錛屽鏋滀笅鍘諱篃灝卞彧浼氭樉紺哄墠闈?鏉¤褰曚簡
2. 涓轟粈涔?rownum >1 鏃舵煡涓嶅埌涓鏉¤褰曪紝鑰?rownum >0 鎴?rownum >=1 鍗存繪樉紺烘墍浠ョ殑璁板綍
鍥犱負 rownum 鏄湪鏌ヨ鍒扮殑緇撴灉闆嗗悗鍔犱笂鍘葷殑錛屽畠鎬繪槸浠?寮濮?br />
3. 涓轟粈涔?between 1 and 10 鎴栬?between 0 and 10 鑳芥煡鍒扮粨鏋滐紝鑰岀敤 between 2 and 10 鍗村緱涓嶅埌緇撴灉
鍘熷洜鍚屼笂涓鏍鳳紝鍥犱負 rownum 鎬繪槸浠?1 寮濮?br />
浠庝笂鍙互鐪嬪嚭錛屼換浣曟椂鍊欐兂鎶?rownum = 1 榪欐潯璁板綍鎶涘純鏄笉瀵圭殑錛屽畠鍦ㄧ粨鏋滈泦涓槸涓嶅彲鎴栫己鐨勶紝灝戜簡rownum=1 灝卞儚絀轟腑妤奸榿涓鑸笉鑳藉瓨鍦紝鎵浠ヤ綘鐨?rownum 鏉′歡瑕佸寘鍚埌 1
浣嗗鏋滃氨鏄兂瑕佺敤 rownum > 10 榪欑鏉′歡鐨勮瘽璇濆氨瑕佺敤宓屽璇彞,鎶?rownum 鍏堢敓鎴愶紝鐒跺悗瀵逛粬榪涜鏌ヨ銆?br />select *
from (selet rownum as rn錛宼1.* from a where ...)
where rn >10
涓鑸唬鐮佷腑瀵圭粨鏋滈泦榪涜鍒嗛〉灝辨槸榪欎箞騫茬殑銆?br />
鍙﹀錛歳owid 涓?rownum 铏介兘琚О涓轟吉鍒楋紝浣嗗畠浠殑瀛樺湪鏂瑰紡鏄笉涓鏍風殑錛宺owid 鍙互璇存槸鐗╃悊瀛樺湪鐨勶紝琛ㄧず璁板綍鍦ㄨ〃絀洪棿涓殑鍞竴浣嶇疆ID錛屽湪DB涓敮涓銆傚彧瑕佽褰曟病琚惉鍔ㄨ繃錛宺owid鏄笉鍙樼殑銆俽owid 鐩稿浜庤〃鏉ヨ鍙堝儚琛ㄤ腑鐨勪竴鑸垪錛屾墍浠ヤ互 rowid 涓烘潯浠跺氨涓嶄細鏈?rownum閭ｄ簺鎯呭喌鍙戠敓銆?br />鍙﹀榪樿娉ㄦ剰錛歳ownum涓嶈兘浠ヤ換浣曞熀琛ㄧ殑鍚嶇О浣滀負鍓嶇紑銆?/font>
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