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  2. RPG400-L
  3. August 2007

Re: Database design question

Nathan Andelin wrote:
Thanks for the tip, Jon. If I understand correctly VARLEN(1000) allocates 1000 bytes
for storage for the NOTE field initially, which the OS will automatically extend up to
32000 bytes, but only if needed.

Not exactly. At least as I understand it, 1000 bytes get stored as part of the record, and the rest gets stored "elsewhere" (i.e., some sort of non-volatile heap space built into the file). If there's no allocated length, the whole note field gets stored "elsewhere," and the field itself is just a pointer of some sort and a length.


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