I accidentally enabled ONLY_FULL_GROUP_BY mode like this:
SET sql_mode = \'ONLY_FULL_GROUP_BY\';
How do I disable it?
with MySQL version 5.7.28 check by using SELECT @@sql_mode; and update with
SELECT @@sql_mode;
SET @@sql_mode = 'STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'