>with an arbitrary function instead of MAX Many systems support user-defined aggregates[0][1] [0] https://www.postgresql.org/docs/current/sql-createaggregate.

>with an arbitrary function instead of MAX Many systems support user-defined aggregates[0][1] [0] https://www.postgresql.org/docs/current/sql-createaggregate.html https://www.postgresql.org/docs/current/sql-createaggregate.... [1] https://docs.oracle.com/en/database/oracle/oracle-database/21/addci/using-user-defined-aggregate-functions.html https://docs.oracle.com/en/database/oracle/oracle-database/2...