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harshal_in
Aged Yak Warrior
633 Posts |
 Posted - 2002-07-31 : 03:38:01
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| I have a table with 56 columns in it and all those columns are extensively used for searches.actually it is the user_details table which saves the user profile .now there are certain conditions on which search is done like if the user has uploaded a photo or not,the religion of the user,the hail\r color of the user etc.. these and their permutations and combinations.now i have to normalise this table.so should i create more tables to divide these 56 columns or is it recomended to save it in a single table?pl. help.thnxs |
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byrmol
Shed Building SQL Farmer
1591 Posts |
Posted - 2002-07-31 : 03:47:35
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| harshal_in,Yes you should normalise.For each Column in you current table ask this question."Does the value of this column depend on the Primary Key value only?"If "Yes" then it stays in the current table.If "NO" then move to a new table.DavidM"SQL-3 is an abomination.." |
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harshal_in
Aged Yak Warrior
633 Posts |
Posted - 2002-07-31 : 03:53:51
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| but here it seems that all the columns are dependent on the primary key like ,if the user_key ise the primary key,then ,wether the user has subscribed to newsletter,or wether the user has uploaded a photo ,the religion of the user is all dependent on the user.so ,should i create a table for those columns which are seldom used or what should i do b'coz this table is accessed thousands of times a day!! |
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mr_mist
Grunnio
1870 Posts |
Posted - 2002-07-31 : 05:09:17
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| Maybe you could show exactly what columns are in the table, then folk could normalise it for you. |
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normalisation help!!