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tariq2
Posting Yak Master
125 Posts |
 Posted - 2012-01-10 : 07:51:31
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| Hi, How do I check which records in a table have all NULL columns,I would like to think I dont have to perform:select * from table where col1 is NULL and col2 is NULL ETC.etc. Thank you :) |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2012-01-10 : 07:54:05
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that is the best way of doing it.
KH[spoiler]Time is always against us[/spoiler] |
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tariq2
Posting Yak Master
125 Posts |
Posted - 2012-01-10 : 08:02:58
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| Okay, thank you |
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madhivanan
Premature Yak Congratulator
22864 Posts |
Posted - 2012-01-10 : 09:36:02
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| Where coalesce(col1,col2,...,colN) is nullMadhivananFailing to plan is Planning to fail |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2012-01-10 : 09:44:52
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coalesce will work provided that all are of same data type
KH[spoiler]Time is always against us[/spoiler] |
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check all columns are NULL