mysql> select version();
+-----------+
| version() |
+-----------+
| 5.7.37 |
+-----------+
1 row in set (0.00 sec)
mysql> select @@datadir;
+-----------------+
| @@datadir |
+-----------------+
| /data/mysql/ |
+-----------------+
1 row in set (0.00 sec)
mysql> select @@basedir;
+------------------------------+
| @@basedir |
+------------------------------+
| /usr/local/mysql-5.7.37/ |
+------------------------------+
1 row in set (0.00 sec)
mysql>
[root@dbserver ~]# /usr/local/mysql/bin/mysql_upgrade -u root -p -s --force
Enter password:
The --upgrade-system-tables option was used, databases won't be touched.
Checking server version.
Running queries to upgrade MySQL server.
Upgrading the sys schema.
Upgrade process completed successfully.
Checking if update is needed.
[root@dbserver ~]#
或者
[root@dbserver ~]# /usr/local/mysql/bin/mysql_upgrade -u root -p --force
Enter password:
Checking server version.
Running queries to upgrade MySQL server.
Checking system database.
mysql.columns_priv OK
mysql.db OK
mysql.engine_cost OK
mysql.event OK
mysql.func OK
mysql.general_log OK
mysql.gtid_executed OK
mysql.help_category OK
mysql.help_keyword OK
mysql.help_relation OK
mysql.help_topic OK
mysql.innodb_index_stats OK
mysql.innodb_table_stats OK
mysql.ndb_binlog_index OK
mysql.plugin OK
mysql.proc OK
mysql.procs_priv OK
mysql.proxies_priv OK
mysql.server_cost OK
mysql.servers OK
mysql.slave_master_info OK
mysql.slave_relay_log_info OK
mysql.slave_worker_info OK
mysql.slow_log OK
mysql.tables_priv OK
mysql.time_zone OK
mysql.time_zone_leap_second OK
mysql.time_zone_name OK
mysql.time_zone_transition OK
mysql.time_zone_transition_type OK
mysql.user OK
The sys schema is already up to date (version 1.5.2).
Checking databases.
sys.sys_config OK
Upgrade process completed successfully.
Checking if update is needed.
[root@dbserver ~]#