In our enviroment, we choose the second. After cached the table, oracle will be very smart to know that it should read the table from memory instead of read from disk.
http://dbakevin.blogspot.ro/2012/02/serious-performance-issue-caused-by-11g.html
Savepoint Funny
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Here’s an example that makes perfect sense if you know how Oracle handles
data locking. It’s one that I thought I’d published years ago, but it’s not
on th...
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