mysql: ERROR 1064 (42000): You have an error in your SQL syntax near 'GROUP BY ...'
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GROUP BY ... HAVING
mysql> SELECT id, COUNT(id) AS count FROM my_table HAVING count > 1 GROUP BY id;
would result in the error:
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP BY id' at line 1
HAVING must come after
GROUP BY. Simply invert the two clauses:
mysql> SELECT id, COUNT(id) AS count FROM my_table GROUP BY id HAVING count > 1;
GROUP BY ... ORDER BY
GROUP BY must come before
ORDER BY. Make sure the two clauses are not inverted.