For people that have replaced traditional I/O including Read and Writes
with SQL, was there a significant hit on performance if the underlying file
structure was still DDS? Just wondering if not even worth doing the
embedded SQL, unless we switch the file to DDL.

I have written some new programs that only do some selects and write to a
print file and have been fine still DDS structure. My concern is I start
replacing traditonal I/O Reads and Writes and I am going to see this huge
impact unless we switch to DDL first. Or this is my impression I have
gotten online. Does my concern seem valid or has anyone done this and the
impact not as bad as I think?



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