PostgreSQL Parameters(The following are most common parameters in postgresql.conf)

A.Many Ways to set postgresql parameters •Some parameters can be changed per session using the SETcommand. •Some parameters can be changed at the user level using ALTER USER. •Some parameters can be changed at the database level using ALTER DATABASE. •The SHOW command can be used to see settings. •The pg_settings and pg_file_settings catalog tableContinue reading PostgreSQL Parameters(The following are most common parameters in postgresql.conf)

PostgreSQL DBA part 3 :-How to start/stop postgresql database

A.Stopping postgresql database pg_ctl can be used to stop a database cluster •pg_ctl supports three modes of shutdown −smart quit after all clients have disconnected −fast (default)quit directly, with proper shutdown −immediate quit without complete shutdown; will lead to recovery •Syntax −pg_ctl stop [-W] [-t SECS] [-D DATADIR] [-s] [-m SHUTDOWN-MODE] -bash-4.1$ pwd /opt/edb/as9.6/bin -bash-4.1$Continue reading PostgreSQL DBA part 3 :-How to start/stop postgresql database