How many colunms in table to keep? - MySQL

Posted by Dennis on Stack Overflow See other posts from Stack Overflow or by Dennis
Published on 2010-12-30T17:29:42Z Indexed on 2010/12/30 17:54 UTC
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I am stuck between row vs colunms table design for storing some items but the decision is which table is easier to manage and if colunms then how many colunms are best to have? For example I have object meta data, ideally there are 45 pieces of information (after being normalized) on the same level that i need to store per object. So is 45 colunms in a heavry read/write table good? Can it work flawless in a real world situation of heavy concurrent read/writes?

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