Separate tables for just one field can be logical ?

Posted by Freshblood on Stack Overflow See other posts from Stack Overflow or by Freshblood
Published on 2010-06-10T08:01:38Z Indexed on 2010/06/10 8:12 UTC
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If I have one table which has a City field and as expected this field will repeat itself so only separate it to another table can be ok for normalizing concepts? I mean separated table who has only one field can be meaningful and can help performance gaining?

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