解决Navicat连接MySQL数据库报 1146 - Table 'performance_schema.session_variables' doesn't exist

异常信息

管理员身份运行命令提示符窗口，进入到MySQL的安装bin目录下，写入以下命令后回车，再输入MySQL密码，等待完成

mysql_upgrade -u root -p --force

命令提示符打印信息

E:\develop\MySQL\MySQL_5.7\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.
courseimooc.category                               OK
courseimooc.chapter                                OK
courseimooc.course                                 OK
courseimooc.course_category                        OK
courseimooc.course_content                         OK
courseimooc.course_content_file                    OK
courseimooc.file                                   OK
courseimooc.file_info                              OK
courseimooc.flow                                   OK
courseimooc.flow_doc                               OK
courseimooc.flow_todo                              OK
courseimooc.flowmember                             OK
courseimooc.flowstep                               OK
courseimooc.member                                 OK
courseimooc.member_course                          OK
courseimooc.resource                               OK
courseimooc.resource_application                   OK
courseimooc.role                                   OK
courseimooc.role_resource                          OK
courseimooc.role_user                              OK
courseimooc.section                                OK
courseimooc.sms                                    OK
courseimooc.t_dept                                 OK
courseimooc.t_dict                                 OK
courseimooc.t_notice                               OK
courseimooc.t_notice_read                          OK
courseimooc.t_params                               OK
courseimooc.t_position                             OK
courseimooc.t_pushmsg                              OK
courseimooc.teacher                                OK
courseimooc.test                                   OK
courseimooc.user                                   OK
sys.sys_config                                     OK
Upgrade process completed successfully.
Checking if update is needed.

E:\develop\MySQL\MySQL_5.7\bin>

重启MySQL服务后，使用Navicat连接MySQL即可