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Oracle Êý¾Ý¿âµÄ°ó¶¨±äÁ¿ÌØÐÔ¼°Ó¦ÓÃ
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°ó¶¨±äÁ¿(binding variable),¹²Ïí³Ø(shared buffer pool), SGA(system global area);
ÔÚ¿ª·¢Ò»¸öÊý¾Ý¿âϵͳǰ,ÓÐË­¶ÔOracle ϵͳÁ˽âºÜ¶à,ÓÈÆäÊÇËüµÄÌØÐÔ,ºÃÏóºÜÉÙ°É;¶Ô³õѧÕßÀ´½²,Õâ¸üÊDz»¿ÉÄܵÄÊÂÇé;½ö½ö¼òµ ......

Using Oracle Trace Analyzer (trcanlzr.sql)


Using Oracle Trace Analyzer (trcanlzr.sql)
Dave Moore:  Author of Oracle Utilities
Oracle has provided another utility initially designed for performance tuning Oracle Applications.  Trace Analyzer is provided in the form of a PL/SQL package (TRCA$ ).  The Trace Analyzer utility i ......

oracle ²ð·Ö×Ö·û´®

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CREATE   OR   REPLACE   PROCEDURE   sptstr   (srcstr   varchar2)   as  
      stmp   varchar2(2000);  
  begin &n ......

Oracle Êý¾ÝÉú³É Ë÷Òý

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CREATE TABLE qq(
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);
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oracle Ò»´Îɾ³ý¶àÕűíµÄÊý¾Ý£¨Î´²âÊ԰棩

spool d:\deletetb.sql;
select 'delete ' || table_name || ' where to_char(col,'||'''yyyy'''||')='||'''2007'''||';'
  from user_tables
where table_name in  (select 'HS_' || lpad(rownum, '2', '0')
          from dual
        ......
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