Oracle 10g Express Edition --- Oracle鐨勫厤璐圭増鏈?Free to develop, deploy, and distribute...
http://www.oracle.com/technology/products/database/xe/index.html
淇敼Oracle 10g Express Edition鐨勫瓧絎﹂泦聽
鐢變簬XE 瀹夎鍚庢暟鎹簱鐨勫瓧絎﹂泦鏄?WE8MSWIN1252錛岀敤 impdp 瀵煎叆鏉ヨ嚜 Oracle 10g 鐨勬暟鎹叏閮ㄥ嚭鐜頒貢鐮併?br />灝濊瘯鐢?ALTER DATABASE CHARACTER SET ZHS16GBK; 灝嗗瓧絎﹂泦璋冩暣涓哄拰 Oracle 10g 鐩稿悓錛屽嵈鎻愮ず鏂板瓧絎﹂泦蹇呴』鏄佸瓧絎﹂泦鐨勮秴闆嗐?br />璋冩暣涓?UTF8 涔熸彁紺哄悓鏍風(fēng)殑淇℃伅銆?br />
榪囧幓嫻佷紶寰堝箍鐨勭洿鎺ヤ慨鏀箂ys鐢ㄦ埛涓嬬殑PROPS$琛ㄧ殑鏂規(guī)硶,涔熶細(xì)緇欏瓧絎﹂泦鐨勫彉鏇寸暀涓嬪緢澶氭綔鍦ㄧ殑闂.
涓嶈繃鍦ㄥ畨瑁呭畬Oracle XE鍚庯紝鍙互鍦╯qlplus(鍗砄racle XE鐨剅un SQL command line)涓紝 榪涜濡備笅鐨勬搷浣滄潵淇敼瀛楃闆嗭細(xì)
connect system/oracle9i as sysdba
shutdown immediate
startup mount
alter system enable restricted session ;
alter system set JOB_QUEUE_PROCESSES=0;
alter system set AQ_TM_PROCESSES=0;
alter database open ;
alter database character set internal_use ZHS16GBK ;
shutdown immediate
startup
榪欐牱瀛楃闆嗙殑淇敼灝卞畬鎴愪簡(jiǎn)
杞澆鍦板潃:http://www.tkk7.com/terry-zj/archive/2006/01/28/29322.html
涓鑸彂鐢熷叏琛ㄦ壂鎻忥紝鏋佹湁鍙兘鏄病鏈夊緩绔嬪悎鐞嗙殑绱㈠紩錛屾垨鑰呯儲(chǔ)寮曠敱浜庡乏杈瑰紩鐢ㄥ嚱鏁版垨鍏跺畠鍘熷洜閫犳垚绱㈠紩澶辨晥銆?
瀵逛簬榪愯涓騫村鐨勭郴緇燂紝鏈濂借鑷繁鍐欎竴涓嚜鍔ㄩ噸寤虹儲(chǔ)寮曠殑紼嬪簭錛屽畾鏃墮噸寤虹儲(chǔ)寮曘?
鎴栬呬嬌鐢═OAD宸ュ叿甯綘閲嶅緩绱㈠紩銆?
鍙﹀鍦ㄧ湅涓涓嬫暟鎹簱鐨凜PU鍗犵敤鐜囷紝濡傛灉鍗犵敤鐜囧湪緇忓父鍦?0%錛?00%錛岄偅涓瀹氳鏄疭QL鎴栧瓨鍌ㄨ繃紼嬪強(qiáng)trigger涓啓鐨勪笉濂姐?
涓嶉渶瑕佷粠搴旂敤灞傛壘SQL錛屾柟鍚戞ч敊璇紝澶瘡錛屼篃鐪嬩笉鍑烘晥鏋溿?
鑰屽簲褰撲嬌鐢╬l/SQL, toad絳夊伐鍏鳳紝鍒嗘瀽鍑烘渶bad鐨凷QL璇彞錛屼竴鐪嬪埌榪欎簺璇彞鍚庯紝鍐嶄慨鏀瑰簲鐢ㄥ眰鐨勬煡璇㈠氨鏄簡(jiǎn)銆傚張蹇張鏂逛究銆?
聽
-- 閫昏緫璇誨鐨凷QL
select * from (select buffer_gets, sql_text
from v$sqlarea
where buffer_gets > 500000
order by buffer_gets desc) where rownum<=30;
-- 鎵ц嬈℃暟澶氱殑SQL
select sql_text,executions from
(select sql_text,executions from v$sqlarea order by executions desc)
where rownum<81;
-- 璇葷‖鐩樺鐨凷QL
select sql_text,disk_reads from
(select sql_text,disk_reads from v$sqlarea order by disk_reads desc)
where rownum<21;
-- 鎺掑簭澶氱殑SQL
select sql_text,sorts from
(select sql_text,sorts from v$sqlarea order by sorts desc)
where rownum<21;
--鍒嗘瀽鐨勬鏁板お澶氾紝鎵ц鐨勬鏁板お灝戯紝瑕佺敤緇戝彉閲忕殑鏂規(guī)硶鏉ュ啓sql
set pagesize 600;
set linesize 120;
select substr(sql_text,1,80) "sql", count(*), sum(executions) "totexecs"
from v$sqlarea
where executions < 5
group by substr(sql_text,1,80)
having count(*) > 30
order by 2;
杞澆鍦板潃聽http://forum.javaeye.com/viewtopic.php?t=19464