It depends on the DBI driver. PostgreSQL/DBD:Pg can work without dbname: for instance, it will default to the user name as database name, or it can take the value of environment variable 'PGDATABASE'.

Updated 2011.12.14 (default dbname is user name, which is not necessarily 'postgres'...)

In reply to Re: DBI connect by erix
in thread DBI connect by prafulltc

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