VALUES
VALUES constructs a relation from a list of parenthesized value expressions.
Syntax
VALUES ( expr [, ...] ) [, ( expr [, ...] ) ... ]
Each parenthesis represents a single row. The comma-delimited expressions in the parenthesis represent the values of the columns in that row.
Details
VALUES expressionscan be used anywhere that SELECT statements are valid.
They are most commonly used in INSERT statements, but can also be used
on their own.
Examples
Use VALUES in an INSERT
VALUES expressions are most commonly used in INSERT statements. The
following example uses a VALUES expression in an INSERT statement:
INSERT INTO my_table VALUES (1, 2), (3, 4);
Use VALUES as a standalone expression
VALUES expression can be used anywhere that SELECT statements are valid.
For example:
-
As a standalone expression:
VALUES (1, 2, 3), (4, 5, 6);The above expression returns the following results:
column1 | column2 | column3 --------+---------+--------- 1 | 2 | 3 4 | 5 | 6 -
With an
ORDER BYandLIMIT:VALUES (1), (2), (3) ORDER BY column1 DESC LIMIT 2;The above expression returns the following results:
column1 -------- 3 2