Question How downgrade mysql 5.7 to mysql 5.6

[Pasquale]

Yesterday I was wrong and I updated mysql to 5.7
How can i get back to mysql version 5.6

Do I need to backup my databases?

I use ubuntu 16.04 and plesk 17
Thanks advance

 

[bigbang90]

If you downgrade from one release series to another, there may be incompatibilities in table storage formats. In this case, use mysqldump to dump your tables before downgrading. After downgrading, reload the dump file using mysql or mysqlimport to re-create your tables.