SELECT_INTO(7) - Man pages

SELECT INTO(7)           PostgreSQL 15.7 Documentation          SELECT INTO(7)

NAME
       SELECT_INTO - define a new table from the results of a query

SYNOPSIS
       [ WITH [ RECURSIVE ] with_query [, ...] ]
       SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ]
           * | expression [ [ AS ] output_name ] [, ...]
           INTO [ TEMPORARY | TEMP | UNLOGGED ] [ TABLE ] new_table
           [ FROM from_item [, ...] ]
           [ WHERE condition ]
           [ GROUP BY expression [, ...] ]
           [ HAVING condition ]
           [ WINDOW window_name AS ( window_definition ) [, ...] ]
           [ { UNION | INTERSECT | EXCEPT } [ ALL | DISTINCT ] select ]
           [ ORDER BY expression [ ASC | DESC | USING operator ] [ NULLS { FIRST | LAST } ] [, ...] ]
           [ LIMIT { count | ALL } ]
           [ OFFSET start [ ROW | ROWS ] ]
           [ FETCH { FIRST | NEXT } [ count ] { ROW | ROWS } ONLY ]
           [ FOR { UPDATE | SHARE } [ OF table_name [, ...] ] [ NOWAIT ] [...] ]

DESCRIPTION
       SELECT INTO creates a new table and fills it with data computed by a
       query. The data is not returned to the client, as it is with a normal
       SELECT. The new table's columns have the names and data types
       associated with the output columns of the SELECT.

PARAMETERS
       TEMPORARY or TEMP
           If specified, the table is created as a temporary table. Refer to
           CREATE TABLE (CREATE_TABLE(7)) for details.

       UNLOGGED
           If specified, the table is created as an unlogged table. Refer to
           CREATE TABLE (CREATE_TABLE(7)) for details.

       new_table
           The name (optionally schema-qualified) of the table to be created.

       All other parameters are described in detail under SELECT(7).

NOTES
       CREATE TABLE AS is functionally similar to SELECT INTO.  CREATE TABLE
       AS is the recommended syntax, since this form of SELECT INTO is not
       available in ECPG or PL/pgSQL, because they interpret the INTO clause
       differently. Furthermore, CREATE TABLE AS offers a superset of the
       functionality provided by SELECT INTO.

       In contrast to CREATE TABLE AS, SELECT INTO does not allow specifying
       properties like a table's access method with USING method or the
       table's tablespace with TABLESPACE tablespace_name. Use CREATE TABLE AS
       if necessary. Therefore, the default table access method is chosen for
       the new table. See default_table_access_method for more information.

EXAMPLES
       Create a new table films_recent consisting of only recent entries from
       the table films:

           SELECT * INTO films_recent FROM films WHERE date_prod >= '2002-01-01';

COMPATIBILITY
       The SQL standard uses SELECT INTO to represent selecting values into
       scalar variables of a host program, rather than creating a new table.
       This indeed is the usage found in ECPG (see Chapter 36) and PL/pgSQL
       (see Chapter 43). The PostgreSQL usage of SELECT INTO to represent
       table creation is historical. Some other SQL implementations also use
       SELECT INTO in this way (but most SQL implementations support CREATE
       TABLE AS instead). Apart from such compatibility considerations, it is
       best to use CREATE TABLE AS for this purpose in new code.

SEE ALSO
       CREATE TABLE AS (CREATE_TABLE_AS(7))

PostgreSQL 15.7                      2024                       SELECT INTO(7)

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