\dT [ PATTERN ]

The \dT [ PATTERN ] meta-command (uppercase T) lists all supported data types.

vmartdb=> \dT
List of data types
  type_name
-------------
 Binary
 Boolean
 Char
 Date
 Float
 Integer
 Interval Day
 Interval Day to Hour
 Interval Day to Minute
 Interval Day to Second
 Interval Hour
 Interval Hour to Minute
 Interval Hour to Second
 Interval Minute
 Interval Minute to Second
 Interval Month
 Interval Second
 Interval Year
 Interval Year to Month
 Numeric
 Time
 TimeTz
 Timestamp
 TimestampTz
 Varbinary
 Varchar
(26 rows)