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We have a program where same record of a 'control' file (input mode) is
being read for every iteration, and I thought that replacing the 'Chain'
with reading a dataarea.
So I ran a simple test to compare the time taken to read one record in file
100,000 times and reading a data area 100,000 times with 'IN' statement.
I was surprised that the file was read under 1 sec, whereas dataarea took
around 4-5 seconds.
Just to make sure, I looped for a million times. The file came in at 4
seconds and dataarea at 47 seconds.
I was wondering whether I am missing something or accessing a dataarea with
an 'IN' statement takes that long compared to file read.
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