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Sudha, Nah. It only reads a block of records. The difference is the key comparison for ending the group is done in the program ( SomeKey <> KeyField ) after the read rather than as part of the ReadE ( SomeKey ) opcode. This logic requires work variables for all the key fields to be compared against. Paul -- Paul Morgan Senior Programmer Analyst - Retail J. Jill Group 100 Birch Pond Drive, PO Box 2009 Tilton, NH 03276-2009 Phone: (603) 266-2117 Fax: (603) 266-2333 Sudha wrote > I don't understand. This would read the entire file and could be a > potential huge performance issue depending upon the size of the file. > Thanks, > Sudha > > Sudha Ramanujan > SunGard Futures Systems > sramanujan@xxxxxxxxxxxxxxxxxx > (312) 577 6179 > (312) 577 6101 - Fax
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