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Sql: parent - child
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From
12/08/2004 09:04:46
 
 
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General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Title:
Sql: parent - child
Miscellaneous
Thread ID:
00932653
Message ID:
00932653
Views:
54
I have a table1 (PK=signout_id) and a table2 (PK=sgnout2_id,FK=signout_id)

for each record in table1 I need the last record in table2 (max(insdttm))

is the following sql statement reliable:
(VFP8 SP1)
SELECT table1.signout_id as id1,;
table1.claim_id,; 
  MAX(table2.insdttm),table2.*;
  from signout table1;
   inner JOIN signout2 table2;
   ON table1.signout_id=table2.signout_id;
   GROUP BY 1,2
the table2.* data must belong to the table2 record with the highest insertdatetime (insdttm)

Thanks

Peter
Peter Cortiel
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