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Count(*) from multiple tables

Posted on 2007-03-23
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Last Modified: 2010-03-19
How do i pull a count(*) from 6 tables. Each has a Account ID that should be matched.

Account ID table1 table2 table3 table3 ...
-------------------------------------------------
0001          10         21       7         8
0004 .................
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Question by:bender007
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4 Comments
 
LVL 75

Accepted Solution

by:
Anthony Perkins earned 500 total points
ID: 18783142
Select AccountID,
          COUNT(*) Table1Count,
          (Select COUNT(*) From Table2 t2 Where t1.AccountID = t2.AccountID) Table2Count,
          (Select COUNT(*) From Table3 t3 Where t1.AccountID = t3.AccountID) Table3Count,
...
          (Select COUNT(*) From Tablen tn Where t1.AccountID = tn.AccountID) TablenCount
From Table2 t1
Group By t1.AccountID

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Author Comment

by:bender007
ID: 18783168
What is Table1Count .... I am confused.
0
 

Author Comment

by:bender007
ID: 18783234
Ok its an alias, I got that ,  why start from Table2 ?
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LVL 75

Expert Comment

by:Anthony Perkins
ID: 18783564
>>why start from Table2 ?<<
Look again.  I started with Table1.
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