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postgres=#
postgres=# --Displays all data types in the connected database, with comments.
postgres=# \dT+
List of data types
Schema | Name | Internal name | Size | Description
------------+-----------------------------+------------------+------+-------------------------------------------------------------------
pg_catalog | "any" | any | 4 |
pg_catalog | "char" | char | 1 | single character
pg_catalog | "trigger" | trigger | 4 |
pg_catalog | "unknown" | unknown | var |
pg_catalog | abstime | abstime | 4 | absolute, limited-range date and time (Unix system time)
pg_catalog | aclitem | aclitem | 12 | access control list
pg_catalog | anyarray | anyarray | var |
pg_catalog | anyelement | anyelement | 4 |
pg_catalog | bigint | int8 | 8 | ~18 digit integer, 8-byte storage
pg_catalog | bit | bit | var | fixed-length bit string
pg_catalog | bit varying | varbit | var | variable-length bit string
pg_catalog | boolean | bool | 1 | boolean, 'true'/'false'
pg_catalog | box | box | 32 | geometric box '(lower left,upper right)'
pg_catalog | bytea | bytea | var | variable-length string, binary values escaped
pg_catalog | character | bpchar | var | char(length), blank-padded string, fixed storage length
pg_catalog | character varying | varchar | var | varchar(length), non-blank-padded string, variable storage length
pg_catalog | cid | cid | 4 | command identifier type, sequence in transaction id
pg_catalog | cidr | cidr | var | network IP address/netmask, network address
pg_catalog | circle | circle | 24 | geometric circle '(center,radius)'
pg_catalog | cstring | cstring | var |
pg_catalog | date | date | 4 | ANSI SQL date
pg_catalog | double precision | float8 | 8 | double-precision floating point number, 8-byte storage
pg_catalog | inet | inet | var | IP address/netmask, host address, netmask optional
pg_catalog | int2vector | int2vector | var | array of int2, used in system tables
pg_catalog | integer | int4 | 4 | -2 billion to 2 billion integer, 4-byte storage
pg_catalog | internal | internal | 4 |
pg_catalog | interval | interval | 16 | @ <number> <units>, time interval
pg_catalog | language_handler | language_handler | 4 |
pg_catalog | line | line | 32 | geometric line (not implemented)'
pg_catalog | lseg | lseg | 32 | geometric line segment '(pt1,pt2)'
pg_catalog | macaddr | macaddr | 6 | XX:XX:XX:XX:XX:XX, MAC address
pg_catalog | money | money | 4 | monetary amounts, $d,ddd.cc
pg_catalog | name | name | 64 | 63-character type for storing system identifiers
pg_catalog | numeric | numeric | var | numeric(precision, decimal), arbitrary precision number
pg_catalog | oid | oid | 4 | object identifier(oid), maximum 4 billion
pg_catalog | oidvector | oidvector | var | array of oids, used in system tables
pg_catalog | opaque | opaque | 4 |
pg_catalog | path | path | var | geometric path '(pt1,...)'
pg_catalog | point | point | 16 | geometric point '(x, y)'
pg_catalog | polygon | polygon | var | geometric polygon '(pt1,...)'
pg_catalog | real | float4 | 4 | single-precision floating point number, 4-byte storage
pg_catalog | record | record | var |
pg_catalog | refcursor | refcursor | var | reference cursor (portal name)
pg_catalog | regclass | regclass | 4 | registered class
pg_catalog | regoper | regoper | 4 | registered operator
pg_catalog | regoperator | regoperator | 4 | registered operator (with args)
pg_catalog | regproc | regproc | 4 | registered procedure
pg_catalog | regprocedure | regprocedure | 4 | registered procedure (with args)
pg_catalog | regtype | regtype | 4 | registered type
pg_catalog | reltime | reltime | 4 | relative, limited-range time interval (Unix delta time)
pg_catalog | smallint | int2 | 2 | -32 thousand to 32 thousand, 2-byte storage
pg_catalog | smgr | smgr | 2 | storage manager
pg_catalog | text | text | var | variable-length string, no limit specified
pg_catalog | tid | tid | 6 | (Block, offset), physical location of tuple
-- More --
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