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fizzer
Starting Member
10 Posts |
 Posted - 2006-09-26 : 05:38:14
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| Hi,Can you have an inner join on more than one column. I have two tables with composite primary keys. I can't create a join on a single column so how would I create the join on two columns?Hope that makes sense |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2006-09-26 : 05:59:28
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| SELECT *FROM FirstTable ftINNER JOIN SecondTable st ON st.ColA = ft.Col1 AND st.ColB = ft.Col2Peter LarssonHelsingborg, Sweden |
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fizzer
Starting Member
10 Posts |
Posted - 2006-09-26 : 06:12:57
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| Many thanks. That did the trick. |
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chiragkhabaria
Master Smack Fu Yak Hacker
1907 Posts |
Posted - 2006-09-26 : 08:14:07
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aha how about this, if both the fields are varchar SELECT *FROM FirstTable ftINNER JOIN SecondTable st ON st.ColA + '-'+ st.ColB = ft.Col1+'-'+ft.Col2 Chirag |
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madhivanan
Premature Yak Congratulator
22864 Posts |
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LoztInSpace
Aged Yak Warrior
940 Posts |
Posted - 2006-09-27 : 00:18:23
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quote:
Originally posted by chiragkhabaria
aha how about this, if both the fields are varchar SELECT *FROM FirstTable ftINNER JOIN SecondTable st ON st.ColA + '-'+ st.ColB = ft.Col1+'-'+ft.Col2 Chirag
Only if you never want to use an index. |
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Inner Join on more than one column?