I did try the in-memory approach, but this didn't seem any faster than reading from the file system, presumably because the entire database file, which is only 1.4 GB, is being cached anyway.

But I shall look into indexing.

Thanks,

loris

In reply to Re^4: Creating SELECT-like look-up tables as hashes by loris
in thread Creating SELECT-like look-up tables as hashes by loris

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