Update MySQL 5.7 to MySQL 8.0

2019-03-05T19:30:59

I just updated my MySQL 5.7 database to MySQL 8.0

The MySQL documentation says :

The MySQL server always restarts after an update by APT. Prior to MySQL 8.0.16, run mysql_upgrade after the server restarts to check and possibly resolve any incompatibilities between the old data and the upgraded software. mysql_upgrade also performs other functions; see mysql_upgrade — Check and Upgrade MySQL Tables for details. As of MySQL 8.0.16, this step is not required, as the server performs all tasks previously handled by mysql_upgrade.

https://dev.mysql.com/doc/refman/8.0/en/mysql-upgrade.html

If I connect to MySQL and type the command :

mysql_upgrade

It displays :

->

Nothing happens, why ?

enter image description here

Copyright License:
Author:「fgtr」,Reproduced under the CC 4.0 BY-SA copyright license with link to original source & disclaimer.
Link to:https://stackoverflow.com/questions/55001813/update-mysql-5-7-to-mysql-8-0

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Copyright License:Reproduced under the CC 4.0 BY-SA copyright license with link to original source & disclaimer.