21±¾Oracle µç×ÓÊé
Oracle Database 11g A Beginner's Guide
Oracle Database 11g SQL
Oracle Database 11g SQL: Tuning Work Shop
Oracle Database 11g SQL: Tuning Work Shop Practices and Solutions
Oracle Essentials: Oracle Database 11g 4th Edition
Oracle Database 11g SQL Fundamentals I Exam Guide(Exam1Z0-051)
Oracle Database 11g A dministration I Exam Guide(Exam 1Z0-052)
Oracle Database 11g New Features for Administrators Exam Guide (Exam 1Z0-050)
Oracle Database 11g: ÃæÏò¹ÜÀíÔ±µÄÐÂÔö¹¦ÄÜ
Oracle Collaboration Suite Handbook
Oracle PL/SQL for DBAs
Oracle 10g Administration I Study Guide
Oracle 10g ÈëÃÅʵ¼ù
Oracle Database Foundations
Oracle Sql ±Ø±¸²Î¿¼
Oracle ±¸·ÝÓë»Ö¸´Åàѵ½Ì³Ì
Oracle 9i PL/SQL ³ÌÐòÉè¼Æ
Oracle ¾«Ëè(9i,8i,8)
Oracle 9i Êý¾Ý¿â¹ÜÀíÔ±Ö¸ÄÏ
Oracle 9i Êý¾Ý¿âϵͳÅàѵ½Ì³Ì
Oracle ר¼Ò¸ß¼¶±à³Ì
Ïà¹ØÎĵµ£º
select * from test where rownum <=10 ÏÂÃæÊǹØÓÚrownumµÄ½éÉÜ ================================ RownumºÍrow_number() over()µÄʹÓà ROWNUMÊÇOracle´Ó8¿ªÊ¼ÌṩµÄÒ»¸öαÁУ¬ÊÇ°ÑSQL³öÀ´µÄ½á¹û½øÐбàºÅ£¬Ê¼ÖÕ´Ó1¿ªÊ¼£¬³£¼ûµÄÓÃ;¾ÍÊÇÓÃÀ´·ÖÒ³Êä³ö. ±ÈÈç SELECT * from torderdetail a WHERE ROWNUM <= 10 ÕâÌõÓï¾ä¾ ......
ÆÀ¹ÀÊý¾Ý¸ßËÙ»º´æЧÂʵÄÖ¸±êÊÇÃüÖÐÂÊ¡£¸ÃÃüÖÐÂÊͨ¹ý²éѯV$SYSSTAT ºÍ$BUFFER_POOL_STATISTICSÊÓͼ¿ÉÒԵõ½¡£Õâ¸öÊÓͼ¿ÉÒÔ
²éѯÿ¸ö»º´æ³Ø¸÷×ÔµÄÃüÖÐÂÊ¡£»º´æ³ØµÄÃüÖÐÂʵļÆËã²ÉÓÃÏÂÃæµÄ¹«Ê½:
1-(physical_reads/(db_block_gets+consistent_gets))
ÏÂÃæµÄSQLÓï¾ä³£ÓÃÀ´²éѯµ±Ç°¸÷¸ö»º´æ³ØµÄÃüÖ ......
OracleÊý¾Ý¿â10g schedule jobµÄ³£ÓòÙ×÷:
-- job ȨÏÞ
grant create job to somebody;
-- job ´´½¨
begin
dbms_scheduler.create_job (
job_name => 'AGENT_LIQUIDATION_JOB',
job_type => 'STORED_PROCEDURE',
job_action => 'AGENT_LIQUIDATION.LIQUIDATION', --´æ´¢¹ý³ÌÃû
start_date => ......
¡¡C:\>sqlplus /nolog
¡¡¡¡SQL*Plus: Release 9.2.0.1.0 - Production on ÐÇÆÚÈý 1ÔÂ 19 14:46:21 2005
¡¡¡¡Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
¡¡¡¡SQL> connect chanet/chanet@oradb;
¡¡¡¡ÒÑÁ¬½Ó¡£
¡¡¡¡SQL> CREATE TABLE IMAGE_LOB (T_ID VARCHAR2 (5) NOT NULL,T_IMAGE ......
select s.username,
decode(l.type,'TM','TABLE LOCK',
'TX','ROW LOCK',
& ......