Converts function names to upper- or lowercase.
Options
"preserve"(default) preserves the original case."upper"converts to uppercase."lower"converts to lowercase.
preserve
SELECT Concat(Trim(first_name), ' ', Trim(last_name)) AS name, Max(salary) AS max_pay, Cast(ssid AS INT) FROM employee WHERE expires_at > Now()
upper
SELECT CONCAT(TRIM(first_name), ' ', TRIM(last_name)) AS name, MAX(salary) AS max_pay, CAST(ssid AS INT) FROM employee WHERE expires_at > NOW()
lower
SELECT concat(trim(first_name), ' ', trim(last_name)) AS name, max(salary) AS max_pay, cast(ssid AS INT) FROM employee WHERE expires_at > now()