postgres=# --Displays all operators in the connected database, with comments.
postgres=# \do+
List of operators
Schema | Name | Left arg type | Right arg type | Result type | Description
------------+------+-----------------------------+-----------------------------+-----------------------------+-------------------------------------------------------
pg_catalog | ! | bigint | | numeric |
pg_catalog | !! | | bigint | numeric |
pg_catalog | !!= | integer | text | boolean | not in
pg_catalog | !!= | oid | text | boolean | not in
pg_catalog | !~ | character | text | boolean | does not match regex., case-sensitive
pg_catalog | !~ | name | text | boolean | does not match regex., case-sensitive
pg_catalog | !~ | text | text | boolean | does not match regex., case-sensitive
pg_catalog | !~* | character | text | boolean | does not match regex., case-insensitive
pg_catalog | !~* | name | text | boolean | does not match regex., case-insensitive
pg_catalog | !~* | text | text | boolean | does not match regex., case-insensitive
pg_catalog | !~~ | bytea | bytea | boolean | does not match LIKE expression
pg_catalog | !~~ | character | text | boolean | does not match LIKE expression
pg_catalog | !~~ | name | text | boolean | does not match LIKE expression
pg_catalog | !~~ | text | text | boolean | does not match LIKE expression
pg_catalog | !~~* | character | text | boolean | does not match LIKE expression, case-insensitive
pg_catalog | !~~* | name | text | boolean | does not match LIKE expression, case-insensitive
pg_catalog | !~~* | text | text | boolean | does not match LIKE expression, case-insensitive
pg_catalog | # | bigint | bigint | bigint | binary xor
pg_catalog | # | bit | bit | bit | bitwise exclusive or
pg_catalog | # | box | box | box | box intersection (another box)
pg_catalog | # | integer | integer | integer | binary xor
pg_catalog | # | line | line | point | intersection point
pg_catalog | # | lseg | lseg | point | intersection point
pg_catalog | # | smallint | smallint | smallint | binary xor
pg_catalog | # | | path | integer | number of points in path
pg_catalog | # | | polygon | integer | number of points in polygon
pg_catalog | ## | line | box | point | closest point to line on box
pg_catalog | ## | line | lseg | point | closest point to line on line segment
pg_catalog | ## | lseg | box | point | closest point to line segment on box
pg_catalog | ## | lseg | line | point | closest point to line segment on line
pg_catalog | ## | lseg | lseg | point | closest point to line segment on line segment
pg_catalog | ## | point | box | point | closest point on box
pg_catalog | ## | point | line | point | closest point on line
pg_catalog | ## | point | lseg | point | closest point on line segment
pg_catalog | #< | tinterval | reltime | boolean | length less-than
pg_catalog | #<= | tinterval | reltime | boolean | length less-than-or-equal
pg_catalog | #<> | tinterval | reltime | boolean | length not equal to
pg_catalog | #= | tinterval | reltime | boolean | length equal
pg_catalog | #> | tinterval | reltime | boolean | length greater-than
pg_catalog | #>= | tinterval | reltime | boolean | length greater-than-or-equal
pg_catalog | % | bigint | bigint | bigint | modulus
pg_catalog | % | integer | integer | integer | modulus
pg_catalog | % | integer | smallint | integer | modulus
pg_catalog | % | numeric | numeric | numeric | modulus
pg_catalog | % | smallint | integer | integer | modulus
pg_catalog | % | smallint | smallint | smallint | modulus
pg_catalog | & | bigint | bigint | bigint | binary and
pg_catalog | & | bit | bit | bit | bitwise and
pg_catalog | & | integer | integer | integer | binary and
pg_catalog | & | smallint | smallint | smallint | binary and
pg_catalog | && | box | box | boolean | overlaps
pg_catalog | && | circle | circle | boolean | overlaps
pg_catalog | && | polygon | polygon | boolean | overlaps
pg_catalog | && | tinterval | tinterval | boolean | overlaps
-- More --