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ronie305
New User
Joined: 09 May 2005
Posts: 3
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Hi
I have 2 tables each having over a million rows. I need some data out of them for set up.
The problem is I have is that this data is in Production tables. How can i write gud query to that effect.
Any help will be welcome.
Ronie |
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MGIndaco
Active User
Joined: 10 Mar 2005
Posts: 432
Location: Milan, Italy
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I think that you must specify some detail about the definition of a table.
A improvement of query is even doing of a good definition of indexes!
I can reccomend you to use at the end of your query the WITH UR option to avoid a -911 or worse a -904 to the user that are reading the table. |
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