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masterdineen
Aged Yak Warrior
550 Posts |
 Posted - 2012-11-19 : 05:26:32
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| The pros and cons of adding new tables VS. extending existing tables.????????????????????????????????????????????????????????????????????? |
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sunitabeck
Master Smack Fu Yak Hacker
5155 Posts |
Posted - 2012-11-19 : 06:43:54
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| I don't think there is one universally right answer. It really depends on the business needs and the nature of the DML queries that will be run against the table(s). If there is only one column that you need to add which would be mostly null, it would be better to add that as a column to the table. (Of course, you would be breaking code that people wrote against the table with a "SELECT *", but if you ask me, they deserve to be broken).If you have a number of columns, and most of them are null most of the time, a separate table would probably be more appropriate. |
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Could anyone answer the following