• Query performance and tuning

    Hi, I wanted know as to what I can do to my query so that it improves in performance.RIght now it it taking 3-4 hrs because of the large no of records in the DB.If i remove the group by and order by clause for the same no of records it is fast but when it does sorting it hangs.But I need to do the...

    Mingley5 pointsBadges:
  • oracle 9i instalation

    hello guys I have recently started learning SQL and I am trying to install 9i (database or software where I can practice SQL quires). Long time ago I started learning SQL on that time it was personal oracle7 I installed and used to do my practice...but now I have heard that you can install 9i on...

    11g5 pointsBadges:

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