> The order should be FROM -> SELECT -> WHERE, since SELECT commonly gives names to columns, which WHERE will reference. Internally, most SQL engines actually

> The order should be FROM -> SELECT -> WHERE, since SELECT commonly gives names to columns, which WHERE will reference. Internally, most SQL engines actually process the clauses in the order FROM -> WHERE -> SELECT. This is why column aliases (defined in SELECT) work in the GROUP BY, HAVING and ORDER BY clauses, but not in the WHERE clause.