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Is there any performance gain in indexing a boolean field?
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Not really. You should think about it like a book. If there were only 3 kinds of words in a book and you index all of them, you would have the same number of index pages as normal pages.
There would be a performance gain if there are relatively few records of one value. For example, if you ha...
Why doesn't git recognize that my file has been changed, therefore git add not working
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3 revs, 2 users 93%ThorSummoner
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How do I rotate the Android emulator display? [duplicate]
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Multiple Inheritance in PHP
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edited Sep 18 '08 at 11:13
answered Sep 18 '08 at 9:53
Mic...
Use cases for NoSQL [closed]
...his analysis
– on_
Jan 15 '14 at 8:53
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Express next function, what is it really for?
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edited Oct 30 '12 at 5:33
answered Oct 30 '12 at 5:26
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How do I alter the position of a column in a PostgreSQL database table?
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answered Nov 12 '08 at 23:08
Bill KarwinBill Karwin
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TFS: How can you Undo Checkout of Unmodified files in a batch file
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edited May 23 '17 at 12:34
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How can I change CSS display none or block property using jQuery?
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edited Oct 16 '13 at 12:19
Bernhard Barker
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