IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Boolean operator for comparing against one or multiple expressions.
SELECT 'elastic' <=> null AS "equals"; equals --------------- false
SELECT null <=> null AS "equals"; equals --------------- true
SELECT last_name l FROM "test_emp" WHERE emp_no <> 10000 ORDER BY emp_no LIMIT 5;
SELECT last_name l FROM "test_emp" WHERE emp_no < 10003 ORDER BY emp_no LIMIT 5;