Regarding: ... my criteria for a lean and slim SQlite3 db access ... I
can use in my DVD-ROM project. 

I don't know for sure, but I'd suspect that any time saved by using
prepared statements would be vastly overwhelmed by even one extra
DVD-rom seek.

I imagine you VACUUM the database before burning it to disk, right?
Setting as large a cache size as practical might help to keep some
indices in RAM.

If by chance this is reasonable for your application, you could even
copy some tables to a database in temporary space on the target system's
hard drive, and ATTACH this db to your DVD-rom DB.

If there are some long strings (or blobs) in the database, then it may
help to define key columns first, and put the lengthier columns last --
or in their own separate tables.

Even if you have plenty of space on the DVD rom, there might even been a
performance improvement by using a compressed file system so as to
reduce seeks.

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