Month: January 2011

Before you start reading : do not rebuild all your indexes and reorganize all your tables every Sunday morning. One day you may find one of your table missing or one index invalid. Ok, let’s take a case where table reorg and index rebuild is good. One of your table was never cleaned up, it […]

I am not sure whether some tuning guy at Oracle decided to ignore any SELECT statement after execute immediate to save time doing nothing. exec execute immediate ‘select 1/0 from dual connect by level

I wrote about powershell [xml] yesterady : xml and powershell Let’s see how to use XPATH expressions in Powershell John Jack With the [xml] datatype, we create a navigator : (([xml](GC foo.xml)).psbase.createnavigator().evaluate( ‘//emplist/emp[@no=”1″]/ename/text()’ ))|%{$_.Value} John I have not been seduced by a Microsoft product since ages, but I must say I felt with love in […]

I wrote about the unix command-line utility xmllint there : extract xml from the command line Let’s do the same exercice in Powershell PS> gc foo.xml John Jack Simply use [xml] datatype ! (([xml](GC foo.xml)).emplist.emp|Where{$_.no-eq”1″}).ename John Powershell rules!

If you want to get rid of self signed certificate, and the annoying security warnings in your browser, here is how to do it in 2 easy steps 1) create a new wallet in [OMS]/sysman/wallet/console.servername/, either with owm (gui) or with orapki (command line) 2) restart opmn http server opmnctl stopproc process-type=HTTP_Server opmnctl startproc process-type=HTTP_Server […]

I had a very serious issue last Friday with errors as weird as ORA-00322: log name of thread num is not current copy. After a clone from Prod to Test, the prod crashed. Both databases are located on the same server (I am not a virtualization fanatic) and clone from prod to test have been […]

I just upgraded my blog to wordpress 3