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Speed of Types and Backups

From: Charles Tassell <ctassell(at)isn(dot)net>
To: PostgreSQL-general <pgsql-general(at)postgreSQL(dot)org>
Subject: Speed of Types and Backups
Date: 1999-10-28 22:13:25
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
I have two unrelated questions, and I figured I'd be lazy and ask here 
instead of running tests myself. :)  If there is a FAQ that explains this, 
I'd appreciate a pointer to it.

First question: Which types are faster for access: int or char, varchar() 
or text?  Should I specify a particular type of indexing, or will Postgres 
detect the best method?

Second question: If I *don't* use the -F option to cut down on fsync's, is 
it safe to backup the database live, or should I still just backup a 
pgdumpall?  Is there a better way to do it?

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