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taj
Starting Member
39 Posts |
 Posted - 2013-09-16 : 08:02:14
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| HI ALL I HAVE 30 DIFFERENT TABLES, IN ALL 30 TABLES I HAVE FOUR COMMON COLUMNSA,B,C,D. Now I WANNA JOINS ALL 30 TABLES AND MAKE THE SUM OF (A),SUM OF(B),SUM OF (C),SUM OF(D).How to do this?Thank You |
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khtan
In (Som, Ni, Yak)
17689 Posts |
Posted - 2013-09-16 : 08:20:29
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[code]SELECT SUM(A), SUM(B), SUM(C), SUM(D)FROM ( SELECT A, B, C, D FROM TABLE1 UNION ALL SELECT A, B, C, D FROM TABLE2 UNION ALL SELECT A, B, C, D FROM TABLE3 UNION ALL . . . ) d[/code]
KH[spoiler]Time is always against us[/spoiler] |
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joining tables