锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲午夜无码毛片av久久京东热,亚洲国产成人va在线观看网址,国产精品亚洲天堂http://www.tkk7.com/Supershen/category/17502.htmlzh-cnWed, 28 Feb 2007 03:40:41 GMTWed, 28 Feb 2007 03:40:41 GMT60Oracle涓殑澶栬繛鎺ョ畝鍗曚粙緇?/title><link>http://www.tkk7.com/Supershen/archive/2006/11/29/84347.html</link><dc:creator>shen</dc:creator><author>shen</author><pubDate>Wed, 29 Nov 2006 06:32:00 GMT</pubDate><guid>http://www.tkk7.com/Supershen/archive/2006/11/29/84347.html</guid><wfw:comment>http://www.tkk7.com/Supershen/comments/84347.html</wfw:comment><comments>http://www.tkk7.com/Supershen/archive/2006/11/29/84347.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Supershen/comments/commentRss/84347.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Supershen/services/trackbacks/84347.html</trackback:ping><description><![CDATA[ <p>鍦ㄨ澶栬繛鎺ヤ箣鍓嶏紝鍏堜婦渚嬩粙緇嶅唴榪炴帴錛屼篃灝辨槸涓鑸殑鐩哥瓑榪炴帴銆?<br />select * from a, b where a.id = b.id; <br />瀵逛簬澶栬繛鎺ワ紝Oracle涓彲浠ヤ嬌鐢ㄢ?+)鈥濇潵琛ㄧず錛?i鍙互浣跨敤LEFT/RIGHT/FULL OUTER JOIN錛屼笅闈㈠皢閰嶅悎瀹炰緥涓涓浠嬬粛銆?<br />1. LEFT OUTER JOIN錛氬乏澶栧叧鑱?/p> <p>SELECT e.last_name, e.department_id, d.department_name聽 <br />FROM employees e聽 <br />LEFT OUTER JOIN departments d聽 <br />ON (e.department_id = d.department_id);<br />聽</p> <p>絳変環浜?<br />SELECT e.last_name, e.department_id, d.department_name聽 <br />FROM employees e, departments d聽 <br />WHERE e.department_id=d.department_id(+);<br />聽</p> <p>緇撴灉涓猴細鎵鏈夊憳宸ュ強瀵瑰簲閮ㄩ棬鐨勮褰曪紝鍖呮嫭娌℃湁瀵瑰簲閮ㄩ棬緙栧彿department_id鐨勫憳宸ヨ褰曘?<br />2. RIGHT OUTER JOIN錛氬彸澶栧叧鑱?<br />SELECT e.last_name, e.department_id, d.department_name聽 <br />FROM employees e聽 <br />RIGHT OUTER JOIN departments d聽 <br />ON (e.department_id = d.department_id);<br />聽</p> <p>絳変環浜?<br />SELECT e.last_name, e.department_id, d.department_name聽 <br />FROM employees e, departments d聽 <br />WHERE e.department_id(+)=d.department_id;<br />聽</p> <p>緇撴灉涓猴細鎵鏈夊憳宸ュ強瀵瑰簲閮ㄩ棬鐨勮褰曪紝鍖呮嫭娌℃湁浠諱綍鍛樺伐鐨勯儴闂ㄨ褰曘?<br />3. FULL OUTER JOIN錛氬叏澶栧叧鑱?<br />SELECT e.last_name, e.department_id, d.department_name聽 <br />FROM employees e聽 <br />FULL OUTER JOIN departments d聽 <br />ON (e.department_id = d.department_id);<br />聽</p> <p>緇撴灉涓猴細鎵鏈夊憳宸ュ強瀵瑰簲閮ㄩ棬鐨勮褰曪紝鍖呮嫭娌℃湁瀵瑰簲閮ㄩ棬緙栧彿department_id鐨勫憳宸ヨ褰曞拰娌℃湁浠諱綍鍛樺伐鐨勯儴闂ㄨ褰曘?</p> <img src ="http://www.tkk7.com/Supershen/aggbug/84347.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Supershen/" target="_blank">shen</a> 2006-11-29 14:32 <a href="http://www.tkk7.com/Supershen/archive/2006/11/29/84347.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>濡傛ORACLE涓璗OP N鐨勫啓娉?涓嶇煡閬撴晥鐜囨庝箞鏍?/title><link>http://www.tkk7.com/Supershen/archive/2006/11/21/82560.html</link><dc:creator>shen</dc:creator><author>shen</author><pubDate>Tue, 21 Nov 2006 08:17:00 GMT</pubDate><guid>http://www.tkk7.com/Supershen/archive/2006/11/21/82560.html</guid><wfw:comment>http://www.tkk7.com/Supershen/comments/82560.html</wfw:comment><comments>http://www.tkk7.com/Supershen/archive/2006/11/21/82560.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Supershen/comments/commentRss/82560.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Supershen/services/trackbacks/82560.html</trackback:ping><description><![CDATA[String strsql = "select temp.*,rownum聽 from (select * from tb_awardinfo order by award_id desc )temp where rownum <=5";<br />//鑷繁涔卞啓鐨勶紝涓嶇煡閬撴晥鐜囨庝箞鏍鳳紝閭d綅杈句漢甯創榪囦唬鐮佹潵鍙傝冨弬鑰?img src ="http://www.tkk7.com/Supershen/aggbug/82560.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Supershen/" target="_blank">shen</a> 2006-11-21 16:17 <a href="http://www.tkk7.com/Supershen/archive/2006/11/21/82560.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>jsp + oracle 鎺掑簭鍒嗛〉 楂樻晥sql璇彞http://www.tkk7.com/Supershen/archive/2006/11/21/82559.htmlshenshenTue, 21 Nov 2006 08:11:00 GMThttp://www.tkk7.com/Supershen/archive/2006/11/21/82559.htmlhttp://www.tkk7.com/Supershen/comments/82559.htmlhttp://www.tkk7.com/Supershen/archive/2006/11/21/82559.html#Feedback0http://www.tkk7.com/Supershen/comments/commentRss/82559.htmlhttp://www.tkk7.com/Supershen/services/trackbacks/82559.htmloracle 鍒嗛〉

1. 鏈濂借繕鏄埄鐢ㄥ垎鏋愬嚱鏁?br />row_number() over ( partition by col1 order by col2 )

姣斿鎯沖彇鍑?00-150鏉¤褰?鎸夌収tname鎺掑簭

select tname,tabtype from (
聽聽 select tname,tabtype,row_number() over ( order by tname ) rn from tab
)
where rn between 100 and 150;

2. 鐩存帴浣跨敤rownum 铏氬垪
select tname,tabtype from (
聽聽 select tname,tabtype,rownum rn from tab where rownum <= 150
)
where rn >= 100;
浣跨敤搴忓垪涓嶈兘鍩轟簬鏁翠釜璁板綍闆嗗悎榪涜鎺掑簭,濡傛灉鎸囧畾浜唎rder by瀛愬彞,鎺掑簭鐨勭殑鏄夊嚭鏉ョ殑璁板綍闆嗙殑鎺掑簭.

------------------------------------------------------------------------
緇忚繃嫻嬭瘯錛屽湪100涓囨潯鏁版嵁鐨勮〃涓?媯绱㈡暟鎹殑鏃跺?鏂規硶2鐨勯熷害瑕佹瘮鏂規硶1瑕佸揩鐨?


鎺掑簭鍒嗛〉

璇存槑錛歄racle涓嬬敤rownum榪涜鍒嗛〉鏃?寰堝鏄撳嚭鐜版帓搴忕殑閿欎貢銆?


浣嗗濂椾竴灞俿elect 灝辮兘寰堝ソ鐨勮В鍐寵闂,鐗規璁板綍,璇彞濡備笅:

select t2.* from (select t1.*, rownum rn from (select * from tb_courseinfo order by rownum聽 desc )t1 where rownum <=聽150 )t2 where rn >100


涓嶆噦鍏蜂綋鏁堢巼鎬庝箞鏍鳳紝鍜屼笂杈逛竴鏍峰簲璇ヨ繕鍙互銆?br />



瀹為檯渚嬪瓙浠g爜濡備笅

int curpage=1;//褰撳墠欏?br />int page_record=20;//姣忛〉鏄劇ず鐨勮褰曟暟
int introwcount=0; // 璁板綍鏁?br />if(request.getParameter("page")==null||Integer.parseInt(request.getParameter("page"))<=0)
{
curpage = 0;
}
else
{
curpage=Integer.parseInt(request.getParameter("page"))-1;//鑾峰彇浼犻掔殑鍊鹼紝闇瑕佹樉紺虹殑欏?br />}

String sql = "select t2.* from (select t1.*, rownum rn from (select * from tb_courseinfo order by rownum聽 desc )t1 where rownum <= "+(curpage+1)*page_record+" )t2 where rn > "+curpage*page_record;





shen 2006-11-21 16:11 鍙戣〃璇勮
]]>
normal 銆乻ysdba銆?sysoper 銆乻ys,sysdba,dba姒傚康鈥斿尯鍒?/title><link>http://www.tkk7.com/Supershen/archive/2006/11/20/82290.html</link><dc:creator>shen</dc:creator><author>shen</author><pubDate>Mon, 20 Nov 2006 07:37:00 GMT</pubDate><guid>http://www.tkk7.com/Supershen/archive/2006/11/20/82290.html</guid><wfw:comment>http://www.tkk7.com/Supershen/comments/82290.html</wfw:comment><comments>http://www.tkk7.com/Supershen/archive/2006/11/20/82290.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.tkk7.com/Supershen/comments/commentRss/82290.html</wfw:commentRss><trackback:ping>http://www.tkk7.com/Supershen/services/trackbacks/82290.html</trackback:ping><description><![CDATA[ <h2>聽</h2> <div id="vlflnvz" class="entry-body"> <p>sys鍜宻ystem鐢ㄦ埛鐨勫尯鍒?br />銆恠ystem銆戠敤鎴峰彧鑳界敤normal韜喚鐧婚檰em銆?br />銆恠ys銆戠敤鎴峰叿鏈夆淪YSDBA鈥濇垨鑰呪淪YSOPER鈥濇潈闄愶紝鐧婚檰em涔熷彧鑳界敤榪欎袱涓韓浠斤紝涓嶈兘鐢╪ormal銆?br />鈥淪YSOPER鈥濇潈闄愶紝鍗蟲暟鎹簱鎿嶄綔鍛樻潈闄愶紝鏉冮檺鍖呮嫭錛?br />聽 鎵撳紑鏁版嵁搴?nobr>鏈嶅姟鍣?/nobr>聽聽 鍏抽棴鏁版嵁搴撴湇鍔″櫒<br />聽 澶囦喚鏁版嵁搴撀犅犅犅犅犅?鎭㈠鏁版嵁搴?br />聽 鏃ュ織褰掓。聽聽聽聽聽聽聽聽 浼氳瘽闄愬埗<br />鈥淪YSDBA鈥濇潈闄愶紝鍗蟲暟鎹簱綆$悊鍛樻潈闄愶紝鏉冮檺鍖呮嫭錛?br />聽 鎵撳紑鏁版嵁搴撴湇鍔″櫒聽聽 鍏抽棴鏁版嵁搴撴湇鍔″櫒<br />聽 澶囦喚鏁版嵁搴撀犅犅犅犅犅?鎭㈠鏁版嵁搴?br />聽 鏃ュ織褰掓。聽聽聽聽聽聽 浼氳瘽闄愬埗<br />聽 綆$悊鍔熻兘聽聽聽聽聽聽 鍒涘緩鏁版嵁搴?/p> <p> <br />normal 銆乻ysdba銆?sysoper鏈変粈涔堝尯鍒?br />normal 鏄櫘閫氱敤鎴?<br />鍙﹀涓や釜錛屼綘鑰冨療浠栦滑鎵鍏鋒湁鐨勬潈闄愬氨鐭ラ亾浜?br />sysdba鎷ユ湁鏈楂樼殑緋葷粺鏉冮檺<br />sysoper涓昏鐢ㄦ潵鍚姩銆佸叧闂暟鎹簱錛宻ysoper 鐧婚檰鍚庣敤鎴鋒槸 public<br />sysdba鐧婚檰鍚庢槸 sys</p> <p>SQL> conn / as sysdba<br />宸茶繛鎺ャ?br />SQL> grant sysoper to test;</p> <p>鎺堟潈鎴愬姛銆?/p> <p>SQL> conn test/test as sysoper;<br />宸茶繛鎺ャ?br />SQL> show user<br />USER 涓?PUBLIC"<br />SQL> conn test/test as sysdba<br />宸茶繛鎺ャ?br />SQL> show user<br />USER 涓?SYS"<br />SQL></p> <p>聽</p> <p>聽</p> <p>dba鍜宻ysdba鐨勫尯鍒?br />dba銆乻ysdba榪欎袱涓郴緇熻鑹叉湁浠涔堝尯鍒憿 <br />鍦ㄨ鏄庤繖涓鐐逛箣鍓嶆垜闇瑕佽涓涓媜racle鏈嶅姟鐨勫垱寤鴻繃紼?br />路鍒涘緩瀹炰緥<br />路鍚姩瀹炰緥<br />路鍒涘緩鏁版嵁搴?system琛ㄧ┖闂存槸蹇呴』鐨?<br />鍚姩榪囩▼<br />路瀹炰緥鍚姩<br />路瑁呰澆鏁版嵁搴?br />路鎵撳紑鏁版嵁搴?/p> <p>sysdba錛屾槸綆$悊oracle瀹炰緥鐨勶紝瀹冪殑瀛樺湪涓嶄緷璧栦簬鏁翠釜鏁版嵁搴撳畬鍏ㄥ惎鍔紝<br />鍙瀹炰緥鍚姩浜嗭紝浠栧氨宸茬粡瀛樺湪錛屼互sysdba韜喚鐧婚檰錛岃杞芥暟鎹簱銆佹墦寮鏁版嵁搴?br />鍙湁鏁版嵁搴撴墦寮浜嗭紝鎴栬呰鏁翠釜鏁版嵁搴撳畬鍏ㄥ惎鍔ㄥ悗錛宒ba瑙掕壊鎵嶆湁浜嗗瓨鍦ㄧ殑鍩虹錛?br /></p> </div> <img src ="http://www.tkk7.com/Supershen/aggbug/82290.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/Supershen/" target="_blank">shen</a> 2006-11-20 15:37 <a href="http://www.tkk7.com/Supershen/archive/2006/11/20/82290.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss> <footer> <div class="friendship-link"> <p>感谢您访问我们的网站,您可能还对以下资源感兴趣:</p> <a href="http://www.tkk7.com/" title="亚洲av成人片在线观看">亚洲av成人片在线观看</a> <div class="friend-links"> </div> </div> </footer> 主站蜘蛛池模板: <a href="http://hylaowu.com" target="_blank">亚洲成AV人片在线观看无</a>| <a href="http://f2dai.com" target="_blank">24小时免费看片</a>| <a href="http://flowsns.com" target="_blank">成人在线免费观看</a>| <a href="http://hztkw.com" target="_blank">亚洲精品无码久久久久久久 </a>| <a 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