The catalog pg_shdescription stores optional descriptions (comments) for shared database objects. Descriptions can be manipulated with the

19.11.1. Statement Behavior search_path (string)

NameUPDATE -- update rows of a table Synopsis

Each heap relation has a Visibility Map (VM) to keep track of which pages contain only tuples that are known to be visible to all active transactions; it also keeps track of

PostgreSQL supports the full set of SQL date and time types, shown in Table 8-9. The operations available

After a query has produced an output table (after the select list has been processed) it can optionally be sorted. If sorting is not chosen, the rows will be returned in an

NameDROP TYPE -- remove a data type Synopsis

19.3.1. Connection Settings listen_addresses (string)

Namepg_test_timing -- measure timing overhead Synopsis pg_test_timing

The following subsections describe the authentication methods in more detail. 20.3.1. Trust Authentication