在执行命令 mysql_upgrade -u root -p --force 时遇到 cannot select database 错误，这通常意味着MySQL服务未能正确启动，或MySQL用户权限存在问题。该错误提示表明在尝试选择数据库时发生了问题。在MySQL中，mysql 用户用于执行数据库管理任务，如升级数据库。当我们使用 mysql -u root -p 登录时，系...
mysqldump至少要select权限以导出表,show view以导出视图,trigger以导出triggers,如果不使用–single-transaction选项还需lock tables权限。 导入mysqldump输出,需执行语句的相关权限,如create table,insert等。mysqldump输出可以包含alter database语句,则导入该输出则需要alter权限。一般调用方式: shell> mysqldump [options] ...
See Section 9.2, “Database Backup Methods”. Some upgrade incompatibilities may require special handling before upgrading your MySQL installation and running mysql_upgrade. See Chapter 3, Upgrading MySQL, for instructions on determining whether any such incompatibilities apply to your installation ...
You should always back up your current MySQL installationbeforeperforming an upgrade. See Section 7.2, "Database Backup Methods". Some upgrade incompatibilities may require special handlingbeforeupgrading your MySQL installation and runningmysql_upgrade. See Section 2.11, "Upgrading MySQL", for instructi...
mysql_upgradecommunicates directly with the MySQL server, sending it the SQL statements required to perform an upgrade. Caution You should always back up your current MySQL installationbeforeperforming an upgrade. SeeSection 9.2, “Database Backup Methods”. ...
Up to MySQL Shell 8.0.20, the user account that is used to run the upgrade checker utility must haveALLprivileges. From MySQL Shell 8.0.21, the user account requiresRELOAD,PROCESS, andSELECTprivileges. The upgrade checker utility has the following signature: ...
# cat /tmp/repro.sql use test DELIMITER | CREATE PROCEDURE getStudents() BEGIN SELECT * FROM students; END| DELIMITER ; create database TEST; use TEST DELIMITER | CREATE PROCEDURE getStudents() BEGIN SELECT * FROM students; END| DELIMITER ; use mysql select db,name,type from proc; ALTER...
Bug #43385 Cannot ALTER DATABASE ... UPGRADE DATA DIRECTORY NAME when Views exist Submitted: 4 Mar 2009 17:21Modified: 15 May 2009 1:41 Reporter: Chris Calender Email Updates: Status: Closed Impact on me: None Category: MySQL Server: DMLSeverity: S3 (Non-critical) Version: 5.1.32OS...
select user,host,plugin from mysql.user; ... | mysql.infoschema | localhost | caching_sha2_password | | mysql.session | localhost | mysql_native_password | | mysql.sys | localhost | mysql_native_password | this does not happen on fresh setup. How to repeat: now i upgraded 5 setups ...
Getting Started with MySQL Abstract MySQL is the world's most popular open-source database. Despite its powerful features, MySQL is simple to set up and easy to use. Below are some instructions to help you get MySQL up and running in a few easy steps. We also explain how to perform ...