General information
Category:
Coding, syntax & commands
>I want to maximize the speed of performing calculations in related tables. I will be performing a REPLACE on every record in the child table based on values in the Parent record. Any thoughts on the best performers ?
>
>1) Using Set Relation to 'automate' finding records in child tables
>
>2) Using Set Filter to 'manually' SKIP thru records in child tables based on Parent key.
>
>3) Using Scan For in child table based on Parent key.
>
>4) Using good old fashion Seek in the Child table based on Parent key.
Peter;
Try to stay away from FILTER as much as possible. In dealing with child records, I usually use the SELECT command and include RECNO() as a column. Then use the record number to point directly to the record in the child table.
Hope this helps
Previous
Next
Reply
View the map of this thread
View the map of this thread starting from this message only
View all messages of this thread
View all messages of this thread starting from this message only