An index can be defined on more than one column of a table. For example, if you have a table of this form:

VALUES provides a way to generate a "constant table" that can be used in a query without having to actually create and

At all times, PostgreSQL maintains a write ahead log (WAL) in the pg_xlog/ subdirectory

NameUNLISTEN -- stop listening for a notification Synopsis

Enumerated (enum) types are data types that comprise a static, ordered set of values. They are equivalent to the enum types supported in a number

On most Unix platforms, PostgreSQL modifies its command title as reported by ps, so that individual server processes

PostgreSQL has the ability to report the progress of certain commands during command execution. Currently, the only command which supports

The catalog pg_conversion describes encoding conversion procedures. See

NameROLLBACK -- abort the current transaction Synopsis

The catalog pg_foreign_data_wrapper stores foreign-data wrapper definitions. A foreign-data wrapper is the mechanism by which external data