Subject Re: [firebird-support] INDEX Max Length
Author Ann W. Harrison
At 09:36 AM 10/30/2004, Chande wrote:

>Which is the maximum size for an string index?

It depends on the collation. If you're satisfied with a binary
collation, 253 bytes. If you want a dictionary collation, then
about 1/3 of that, less for compound indexes.