By avinashhrms
Hi All,
This is first time I am trying to migrate my website from shared hosting to Digital Ocean. I was following this guide for the same.
But when i run this command mysql -h localhost -u database_user -p database_name < backup_db.sql to restore database I am getting below error.
**ERROR 1273 (HY000) at line 25: Unknown collation: ‘utf8mb4_unicode_520_ci’ **
I have selected ubuntu 14.04 and Ngnix
Could you please help
Thanks, Avinash
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Accepted Answer
@avinashhrms I’m pretty sure you’re seeing this error because you’re actually downgrading database.
I would highly recommend you setup 16.04 for WordPress, since it comes with a much newer Nginx, PHP and MySQL, which is also twice as fast.
So either use a newer setup (with MySQL 5.5.3+), or edit your backup_db.sql and do a search/replace of utf8mb4 to utf8
If you export the data via phpMyAdmin, you can change the compatibility mode to MySQL4. That would also solve it.
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