Class | Category | Data Type (Synonyms) |
Character | Fixed length | c |
char (character) | ||
Varying length | text | |
varchar | ||
Numeric | Exact numeric | integer4 (i4, integer) |
integer2 (i2, smallint) | ||
integer8 (i8, bigint) | ||
integer1 (i1, tinyint) | ||
decimal | ||
Approximate numeric | float (float8, double precision) | |
float4 (real) | ||
Abstract | (none) | date |
(none) | money | |
Binary | byte | |
byte varying |