Server mysql database import problem #1273 – Unknown collation:’utf8mb4_unicode_520_ci’
Export Database System
1) Select Local Host Phpmyadmin and Click the “Export” tab for the database
2) After go Export -> Click the “Custom” radio button
3) Then you will see the section titled called “Format-specific options” and change the dropdown for “Database system or older MySQL server to maximize output compatibility with:” from NONE to MYSQL40.
4) Finally -> Scroll to the bottom and click “GO” and Export your Database from Local Host.