> On Nov 13, 2019, at 10:01 AM, Dimitry Sibiryakov s...@ibphoenix.com > [firebird-support] <firebird-support@yahoogroups.com> wrote: > > 13.11.2019 15:51, blackfalconsoftw...@outlook.com [firebird-support] wrote: >> However, internally, the CHAR field definition is more efficient as the >> database does not >> have to perform any field size calculations at the moment that data is being >> updated to a >> VARCHAR field. > > No such calculations is performed in Firebird. Both CHAR and VARCHAR are > always stored > with full declared length. >
In memory, yes. But the entire record will be compressed before being written to disk. Good luck, Ann > > > ------------------------------------ > > ------------------------------------ > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > Visit http://www.firebirdsql.org and click the Documentation item > on the main (top) menu. Try FAQ and other links from the left-side menu > there. > > Also search the knowledgebases at > http://www.ibphoenix.com/resources/documents/ > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > ------------------------------------ > > Yahoo Groups Links > > >
