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	<title>Engin Zorlu Oracle Blog</title>
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		<title>Engin Zorlu Oracle Blog</title>
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		<title>SQL WorkShop About Oracle Architecture</title>
		<link>http://zengin.wordpress.com/2008/12/04/sql-workshop-about-oracle-architecture/</link>
		<comments>http://zengin.wordpress.com/2008/12/04/sql-workshop-about-oracle-architecture/#comments</comments>
		<pubDate>Thu, 04 Dec 2008 00:23:18 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[Oracle Documentation]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/?p=214</guid>
		<description><![CDATA[&#8211; DataBase Version : Oracle XE 10g &#8211; Startup and shutdown database &#8211; Create database &#8211; Control files &#8211; Redo log files &#8211; Table spaces and data files &#8211; Rollback segments &#8211; Temporary segments SQL &#62; conn sys/pswd as sysdba; &#8211; I prefer to shutdown immediate =) SQL &#62;SHUTDOWN ABORT SQL &#62;SHUTDOWN IMMEDIATE SQL &#62;SHUTDOWN [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=214&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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			<media:title type="html">enginzorlu</media:title>
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		<title>SQL Trace and TKPROF</title>
		<link>http://zengin.wordpress.com/2008/11/23/sql-trace-and-tkprof/</link>
		<comments>http://zengin.wordpress.com/2008/11/23/sql-trace-and-tkprof/#comments</comments>
		<pubDate>Sun, 23 Nov 2008 20:12:53 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[Performance Tuning]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/?p=192</guid>
		<description><![CDATA[&#8211; start sql trace to the session. set session for trace sql alter session set timed_statistics = true; alter session set sql_trace = true; alter session set max_dump_file_size =unlimited; alter session set STATISTICS_LEVEL = ALL ; alter session set statistics_level = all ; alter session set tracefile_identifier = &#8216;pfzerprb&#8217;; alter session set events &#8217;10046 TRACE [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=192&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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			<media:title type="html">enginzorlu</media:title>
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		<title>Row Numbering and Ranking Functions</title>
		<link>http://zengin.wordpress.com/2008/11/14/row-numbering-ranking-functions-1/</link>
		<comments>http://zengin.wordpress.com/2008/11/14/row-numbering-ranking-functions-1/#comments</comments>
		<pubDate>Fri, 14 Nov 2008 23:16:47 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[SQL Reference]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/?p=100</guid>
		<description><![CDATA[1. ROWNUM without Analytic Function select employee_id, name , salary, ROWNUM from employees ORDER BY salary;exec 2. ROW_NUMBER ( ) select employee_id, name, salary, ROW_NUMBER() OVER (ORDER BY salary  )toprank FROM employees;exec 3. RANK ( ) select employee_id, name, salary, RANK() OVER (ORDER BY salary )toprank FROM employees;exec 4. DENSE_RANK ( ) with WHERE clause [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=100&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<title>Case expression in sql</title>
		<link>http://zengin.wordpress.com/2007/09/24/case-expression-in-sql/</link>
		<comments>http://zengin.wordpress.com/2007/09/24/case-expression-in-sql/#comments</comments>
		<pubDate>Mon, 24 Sep 2007 07:44:53 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[SQL Reference]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/09/24/case-expression-in-sql/</guid>
		<description><![CDATA[We can use case expression in PL/SQL basically or as a sql expression to extend query flexibility. Basic Sytax : case when &#60;condition&#62; then &#60;value&#62; when &#60;condition&#62; then &#60;value&#62; ... else &#60;value end Basic Example : select sal, case when sal &#60; 2000 then 'low' when sal &#60; 3000 then 'middle' when sal &#60; 4000 [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=76&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<title>Increase your experience on advanced Apex</title>
		<link>http://zengin.wordpress.com/2007/09/12/increase-your-experience-on-advanced-apex/</link>
		<comments>http://zengin.wordpress.com/2007/09/12/increase-your-experience-on-advanced-apex/#comments</comments>
		<pubDate>Wed, 12 Sep 2007 05:33:52 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[apex]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/09/12/increase-your-experience-on-advanced-apex/</guid>
		<description><![CDATA[We can find the advanced features of Apex in these presentations. It is necessary increase the expresience to use apex more efficiently. This is the link of advanced apex presentations. Presentations<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=75&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<title>Open Apex to public</title>
		<link>http://zengin.wordpress.com/2007/09/10/open-apex-to-public/</link>
		<comments>http://zengin.wordpress.com/2007/09/10/open-apex-to-public/#comments</comments>
		<pubDate>Mon, 10 Sep 2007 05:55:59 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[apex]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/09/10/open-apex-to-public/</guid>
		<description><![CDATA[By default, apex just works on localhost, it is not possible to share your applications with grid control by default. Use this process to open apex to pubklic: begin DBMS_XDB.SETLISTENERLOCALACCESS(FALSE); COMMIT ; end;<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=74&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<item>
		<title>Upgrade to APEX 3.0 on Oracle 10g r2</title>
		<link>http://zengin.wordpress.com/2007/09/07/upgrade-to-apex-30-on-oracle-10g-r2/</link>
		<comments>http://zengin.wordpress.com/2007/09/07/upgrade-to-apex-30-on-oracle-10g-r2/#comments</comments>
		<pubDate>Fri, 07 Sep 2007 14:04:17 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[apex]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/09/07/upgrade-to-apex-30-on-oracle-10g-r2/</guid>
		<description><![CDATA[Upgrade operations sometimes might be more effortable than we assume. As Apex 2.0.1 comes with Oracle 10g r2, we need to upgrade apex 3.0 with some operations. You can download and install APEX 3.0 from here: Installing the Oracle Application Express Software Shortly, you will run apexins.sql with these arguments: @apexins password SYSAUX SYSAUX TEMP [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=73&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://zengin.wordpress.com/2007/09/07/upgrade-to-apex-30-on-oracle-10g-r2/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<item>
		<title>Introduction to Triggers</title>
		<link>http://zengin.wordpress.com/2007/08/16/introduction-to-triggers/</link>
		<comments>http://zengin.wordpress.com/2007/08/16/introduction-to-triggers/#comments</comments>
		<pubDate>Thu, 16 Aug 2007 23:08:40 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[My Oracle Concepts]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/08/16/introduction-to-triggers/</guid>
		<description><![CDATA[Triggers are like to the procedures stored in Java, PL/SQL or call out to a C procedure but these are implicitly implemented by database due to some kinds of database actions: a table or view is modified with DML DDL Statements some user actions issued either by a particular schema/user or by any schema/user database [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=72&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<item>
		<title>Heap Tables vs Object Tables</title>
		<link>http://zengin.wordpress.com/2007/07/31/heap-tables-vs-object-tables/</link>
		<comments>http://zengin.wordpress.com/2007/07/31/heap-tables-vs-object-tables/#comments</comments>
		<pubDate>Tue, 31 Jul 2007 22:42:24 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[Performance Tuning]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/07/31/heap-tables-vs-object-tables/</guid>
		<description><![CDATA[Heap table is the default oracle table type. It is a default table definition as you use: create table test_table ( no NUMBER(5), name VARCHAR2 (10) ); Object table has an logically object oriented architecture to provide reusable components and complex applications. Object oriented programming is based on object types in PL/SQL. create table t [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=68&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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		<item>
		<title>Union vs Union All</title>
		<link>http://zengin.wordpress.com/2007/07/31/union-vs-union-all/</link>
		<comments>http://zengin.wordpress.com/2007/07/31/union-vs-union-all/#comments</comments>
		<pubDate>Tue, 31 Jul 2007 21:10:17 +0000</pubDate>
		<dc:creator>enginzorlu</dc:creator>
				<category><![CDATA[Performance Tuning]]></category>

		<guid isPermaLink="false">http://zengin.wordpress.com/2007/07/31/union-vs-union-all/</guid>
		<description><![CDATA[Union and union all operations are used to combine two or more queries in a table. These queries must have same number of columns and these columns must have similar properties when we compare column by column. Syntax: n select field1, field2, . field_n from tables UNION [ ALL ] select field1, field2, . field_n [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=zengin.wordpress.com&amp;blog=1317876&amp;post=65&amp;subd=zengin&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">enginzorlu</media:title>
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