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RETAIN UPDATE LOCKS

This is a discussion on RETAIN UPDATE LOCKS within the Informix forums, part of the Database Server Software category; --> Reading the SQL manual (yes I do RTFM!!!) it says "You can use this option to achieve the same ...


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Old 04-20-2008, 11:58 AM
Colin Dawson
 
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Default RETAIN UPDATE LOCKS

Reading the SQL manual (yes I do RTFM!!!)

it says "You can use this option to achieve the same locking effects but
avoid the overhead of dummy updates or the repeatable read isolation level."

Can anyone quantify what the overhead actually is?




Regards

Colin

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those that don't

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