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I have two tables in SQL server, they both have one field in common. I want to fetch some fields from one table and some other fields from other table on the bases of common field and save the output to third table. I want to do this in Maintain toll. Anyone assist me how I can do that?
The easiest way to do this, is to create 3 stacks. The first one retrieves data from file one, the second one from file two, and then add them to the third stack and save them to the database.
Assume File1 has fieldA, field1, field2, field3. File2 has fieldA, field4, field5, field6 File3 has fieldA and fields 1 - 6
Then
MAINTAIN FILE FILE1 AND FILE2 AND FILE3 INFER FILE3.fieldA into STACK3 FOR ALL NEXT FILE1.fieldA into STACK1 WHERE FILE1.fieldA = val -* criteria goes here FOR ALL NEXT FILE2.fieldA into STACK2 WHERE FILE2.fieldA = val COMPUTE I/I3=1; REPEAT STACK1.FOCCOUNT COMPUTE STACK3(I).fieldA = STACK1(I).fieldA; COMPUTE STACK3(I).field1 = STACK1(I).field1; COMPUTE STACK3(I).field2 = STACK1(I).field2; COMPUTE STACK3(I).field3 = STACK1(I).field3; COMPUTE STACK3(I).field4 = STACK2(I).field4; COMPUTE STACK3(I).field5 = STACK2(I).field5; COMPUTE STACK3(I).field6 = STACK2(I).field6; COMPUTE I=I+1; ENDREPEAT FOR ALL FILE3.INCLUDE fieldA from STACK3; END
This assume that the formats of the fields in File1, File2 and File3 are the same. It also assumes that the rows from File1 and File2 have the one key (fieldA) and the same number of rows.
Mark
Posts: 663 | Location: New York | Registered: May 08, 2003