unusable indexes.

From: Sai Selvaganesan <ssaisundar_at_sbcglobal.net>
Date: Thu, 29 May 2003 16:19:50 -0800
Message-ID: <F001.005A6790.20030529161950@fatcity.com>

hi
i am trying to figure out how unusable indexes could help me in certain cases like bulk loading etc. i am trying to understand how it works.

i created a table with a index and used a query which used this index.

later i made this index unusable and unless and until i make this index non-existent the query always returns a 1502 error trying to access the table thru the unusable index when i can see that full table scan is still an option. the init.ora parameter skip_unusable..is set up too.

version is 9.2.0.3 on aix 5l.

can someone clarify whether this is how it is supposed to work or am i missing something .

thanks
sai
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Author: Sai Selvaganesan
  INET: ssaisundar_at_sbcglobal.net

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