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Removing ONLY_FULL_GROUP_BY sql mode

Created On: 31 Oct, 2018: 12:18:26 - Tags : database management

Url: http://johnemb.blogspot.com/2014/09/adding-or-removing-individual-sql-modes.html

In MySQL 5.7.5 the ONLY_FULL_GROUP_BY sql mode was introduced. In this mode, Non-deterministic grouping queries are rejected.

Applications that use GROUP BY clause in SQL queries may start giving errors after an upgrade to the MySQL server. To allow the applications to continue working, we need to remove the ONLY_FULL_GROUP_BY option from the sql mode variable.

This can be done by setting the sql mode variable in /etc/mysql/mysql.conf.d/mysqld.cnf without the ONLY_FULL_GROUP_BY option. After that the mysql server should be restarted. To get the current value of the sql mode variable go to the variables tab in PhpMyAdmin and copy the value of sql mode variable


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