max()

Computes the maximum of the non-null input values. Available for any numeric, string, date/time, or enum type, as well as bytea, inet, interval, money, oid, pg_lsn, tid, xid8, and also arrays and composite types containing sortable data types.

Signature

max ( see text ) → same as input type

Examples

SELECT max(amount) FROM orders;
  max   
--------
 438.00
(1 row)

Run against PostgreSQL 18.6 on 2026-09-13. This is the output we got, not the documentation’s.

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Signature and description adapted from the PostgreSQL manual, used under the PostgreSQL License. PostgreSQL is a registered trademark of the PostgreSQL Community Association of Canada. This page is not affiliated with the PostgreSQL Global Development Group.