CREATE STATISTICS [ IF NOT EXISTS ] $statistics_name$
    ON ( $expression$ )
    FROM $table_name$

CREATE STATISTICS [ IF NOT EXISTS ] $statistics_name$
    [ ( $statistics_kind$ [ , ... ] ) ]
    ON { $column_name$ | ( $expression$ ) }, { $column_name$ | ( $expression$ ) } [ , ... ]
    FROM $table_name$