This page is a quick reference checkpoint for MAX OVER in MariaDB: behavior, syntax rules, edge cases, and a minimal example; plus the official vendor documentation.
MAX OVER returns the largest value in the window frame.
Aggregate functions such as MAX() can be used as window functions (i.e., with OVER).
If this behavior feels unintuitive, the tutorial below explains the underlying pattern step-by-step.
Standard aggregate function MAX() used with an OVER clause.
SELECT test, score, MAX(score) OVER (PARTITION BY test) AS max_score FROM student;
If you came here to confirm syntax, you’re done. If you came here to get better at window functions, choose your next step.
MAX OVER is part of a bigger window-function pattern. If you want the “why”, start here: Aggregate Window Functions
Reading docs is useful. Writing the query correctly under pressure is the skill.
For the authoritative spec, use the vendor docs. This page is the fast “sanity check”.
View MariaDB Documentation →Looking for more functions across all SQL dialects? Visit the full SQL Dialects & Window Functions Documentation.