Reference material for URL_ENCODE function
unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"
URL_ENCODE(<expression>)
<expression>
TEXT
SELECT CONCAT('https://www.firebolt.io/?', URL_ENCODE('example_id=1&hl=en'));
https://www.firebolt.io/?example_id%3D1%26hl%3Den