beginnerSELECT Queries — WHERE, GROUP BY, HAVING, ORDER BY
What is the logical execution order of a SELECT statement?
FROM → WHERE → GROUP BY → HAVING → SELECT → DISTINCT → ORDER BY → LIMIT/OFFSET. This matters practically: 1) You can't use column aliases defined in SELECT inside WHERE (it hasn't run yet). 2) You can't use aggregate functions in WHERE (GROUP BY hasn't happened). 3) You CAN use aggregate functions in HAVING (runs after GROUP BY). 4) You CAN use SELECT aliases in ORDER BY (runs after SELECT). 5) LI
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