For convenience there are also single letter command-line option switches available for some parameters. They are described in Table 19-2. Some of these options exist for historical

PostgreSQL provides a set of default roles which provide access to certain, commonly needed, privileged capabilities and information. Administrators

A table expression computes a table. The table expression contains a FROM clause that is optionally followed by

The catalog pg_amproc stores information about support procedures associated with access method operator families. There is one row for each

NameNOTIFY -- generate a notification Synopsis

Before anyone can access the database, you must start the database server. The database server program is called postgres. The

See Section 8.17 for an overview of range types. Table 9-49 shows

The view pg_rules provides access to useful information about query rewrite rules. Table

PostgreSQL offers data types to store IPv4, IPv6, and MAC addresses, as shown in Table 8-21. It is better to use these types instead of plain

The view pg_group exists for backwards compatibility: it emulates a catalog that existed in PostgreSQL before