Unload of a big Table



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Unload of a big Table

Postby samb01 » Fri Sep 23, 2011 1:57 pm

Hello,

i have to unload a table which contain 570 Millions rows.

But before i would like to know how much time does it take ?

Did an unlod put locks on a tbale durring the unload.

Il the Unload abended, in which state is the table (accessibel ?)

Thanks for your help.
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Re: Unload of a big Table

 

Re: Unload of a big Table

Postby GuyC » Fri Sep 23, 2011 3:13 pm

unload takes shared-locks (read-locks).
and does not affect table accessibility.

If you do have imagecopies (which I should hope) you might want to consider UNLOAD FROMCOPYDDN.
I can explain it to you, but i can not understand it for you.
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Re: Unload of a big Table

Postby samb01 » Fri Sep 23, 2011 6:31 pm

OK.

Thanks.
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