What should I do if mysql error occurs when the computer is turned on?
The solution to the mysql error when the computer is turned on: first open “My Computer->Properties->Advanced->Environment Variables” in sequence; then add the variable value of Path to “%SystemRoot%\system32”; Finally, restart the mysql service. Recommendation: “Mysql Video Tutorial” Windows started MySQL error C:\Program Files\mysql-5.7.10-winx64\bin> # Start the mysql service net start mysql # Stop the mysql service net stop mysql Prompt message: ‘net’ is not an internal or external command, nor is it an operable program or batch file Solution: My Computer–>Properties–>Advanced–>Add the variable value of the environment variable Path: %SystemRoot%\system32 (separated by “;”) Note: (1) It is best to open the CMD command line as an administrator. (2) After the modification is completed, you need to reopen the cmd command line, otherwise it will not take effect. (3) It is easy to use in “%SystemRoot%\system32” C:\Users\Administrator>net start mysql MySQL service is starting. MySQL service has been started successfully. The above is the detailed content of what to do if the mysql error occurs when the computer starts up. For more information, please pay attention to other related articles on 1024programmer.com!
How does mysql connect to the local database
mysql php Write your review! Let’s make a fuss, see everything Member Login | User Registration recommended reading bit MySQL function to obtain the current time of the system [MySQL] Database | mysql tutorial time, system database-mysql tutorial bitsCN.comMySQL function to get the current time of the system Environment: MySQLServer5.1 Question: The function of MySQL to get the current time of the system … [detailed] Crayon Shinchan 2023-08-26 13:03:19 java How to check the reason why the docker container stopped O&M|Docker view,docker,stop,reason O&M-Dockerdocker container service stopHow to troubleshoot errors? During the use of the container, if the service is unavailable, it is necessary to troubleshoot the errors in the container and fix the … [detailed] Crayon Shinchan 2023-08-26 13:03:05
How to open mysql57
How to open mysql57: first open the Winodws running window; then enter the cmd command in the open edit box; finally enter “mysql -hlocalhost -uroot -p123” in the terminal interface to display and open the MySQL database. Recommendation: “Mysql Video Tutorial” Start MySQL5.7 with the command line under windows 1. The combination of Win menu key + R opens the Winodws7 running window, and enters the cmd command in the open edit box, as shown in the figure below: The Win menu key is the [Ctrl] in the lower left corner of the keyboard The key between the control key and the [Alt shift] key is marked with a Windows window. Log in to the MySQL command line interface and connect to MySQL 2. Enter mysql -hlocalhost -uroot -p123 in the terminal interface, and the MySQL command line interface appears. Note: -h above represents the host IP address or domain name, localhost represents the local address 127.0.0.1, -u refers to the MySQL user name, here is the root user during MySQL installation, -p Represents the user password, assuming that the password set when installing MySQL5.0.22 is 123. This needs to be entered according to your own situation. 3. Display the…
Where to change mysql database password
How to modify the mysql database password: first open the “task manager” and end the mysqld process task; then open the “command prompt” and enter “cd mysql installation directory\bin”; finally modify the password field ” authentication_string” is enough. The above is the detailed content of where to modify the mysql database password. For more information, please pay attention to other related articles on 1024programmer.com!
How to set mysql remote access password
How to set the remote access password for mysql: first log in to mysql, and query the user table and host authority commands; then delete the remote access user root, and update the authority commands; finally recreate the remote operation account for remote access authorization and update permissions. Related free learning recommendation: mysql video tutorial mysql method of setting remote access password : 1. Login to mysql command: mysql -uroot -p (press enter to enter password) 2. Query user table and host Permission command: use mysql select user, host from mysql.user; Note: The % here means that any machine can remotely connect to the server through root, we can directly delete this user and redefine the user and password. 6. Re-create the remote operation account, authorize remote access and update permissions, and execute the following codes in sequence: create user 'root'@'%' identified with mysql_native_password by '123456'; grant all privileges on *.* to & # 39; root & # 39; @ & # 39; % & # 39; with grant option; flush privileges; The above is the detailed content of how to set the remote access password for mysql. For more information, please pay attention to other related articles on 1024programmer.com!
What should I do if mysql cannot store Chinese character strings?
The solution that mysql cannot store Chinese character strings: first change the character set of the database and tables to utf8; then delete the relevant fields and recreate them; finally use SQL statements to modify the character set to utf8. Of course, we can also use SQL statements to modify the character set: alter database test default character set = utf8; // test is the database name alter table test.bd_user default character set = utf8; // bd_user is the table name alter table test.bd_user modify column user_name varchar(20) character set utf8 collate utf8_general_ci; // The field type will also be changed here The above are the details of how mysql cannot store Chinese character strings, more please Follow other related articles on 1024programmer.com!
The method of remote installation of mysql under linux
Mysql remote installation method under linux: first connect to the remote server locally; then download mysql remotely; then install mysql remotely through rpm; finally log in to mysql, change the password and set remote authorization. 4.Remotely install mysql (including server, client and dependent packages) rpm -ivh MySQL-server-5.5.44- 1.linux2.6.x86_64.rpm rpm -ivh MySQL-devel-5.5.44-1.linux2.6.x86_64.rpm rpm -ivh MySQL-client-5.5.44-1.linux2.6.x86_64.rpm 5. Log in to mysql, change the password and set remote authorization (1). Execute the following command to copy the MySQL configuration file to the /etc directory. cp /usr /share/mysql/my-medium.cnf /etc/my.cnf (2). Run the following commands respectively to initialize MySQL and set the password. /usr/bin/mysql_install_db #Initialize MySQL service mysql start #Start MySQL ⚠️: This place will report an error: Staring MySQL. ERROR! The server quit without updating PID file(/var/lib/mysql/host-15ec49514ce.novalocal.pid). Solution: [root@host-15ec49514ce ~]# find / -name mysql-bin.index /var/lib/mysql/mysql-bin.index[root@host-15ec49514ce ~]# rm /var/lib/mysql/mysql-bin.indexmysql -u root -p use mysql;select 'host' from user where user='root& #39;; update user set host = '%' where user = 'root'; ⚠️: ERROR 1062 (23000 ): Duplicate entry '%-root' for key 'PRIMARY' Leave it alone flush privileges; (3) authorization : GRANT ALL PRIVILEGES ON *.* TO 'root'@' %' IDENTIFIED BY 'your password' WITH GRANT OPTION; There are roughly the following types of problems: 1. Uninstallation is…
What should I do if the path of the mysql service is incorrect?
The solution to the wrong path of the mysql service: first create a folder and rename it; then use cmd, cd path, and then enter [mysqld -remove]; then install the mysql service and select the installed bin path ;Finally execute 【mysqld -install】. The solution is as follows: 1. Create a folder according to the prompt path (and use Rename it), then use cmd (administrator), cd path, and enter mysqld -remove. After that, there will be a prompt to delete successfully. After restarting, you will see that this service is deleted. 2. Configure the path, just Path. Finally, to install the mysql service, you must first select the bin path you installed, and then execute mysqld -install Here are some common commands: mysqld-install mysqld-remove net start mysql net stop mysql The above are the details of what to do if the path of the mysql service is wrong, For more, please pay attention to other related articles on 1024programmer.com!
How does mysql convert date to string type
mysql php Write your review! Let’s make a fuss, see everything Member Login | User Registration recommended reading select MySQL function to obtain the current time of the system [MySQL] Database | mysql tutorial time, system database-mysql tutorial bitsCN.comMySQL function to get the current time of the system Environment: MySQLServer5.1 Question: The function of MySQL to get the current time of the system … [detailed] Crayon Shinchan 2023-08-26 13:03:19 select How to check the reason why the docker container stopped O&M|Docker view,docker,stop,reason O&M-Dockerdocker container service stopHow to troubleshoot errors? During the use of the container, if the service is unavailable, it is necessary to troubleshoot the errors in the container and fix the … [detailed] Crayon Shinchan 2023-08-26 13:03:05
What should I do if the initialization of the mysql database fails?
The solution to the failure to initialize the mysql database: first find and open the my.ini file; then comment out the datadir in the my.ini file; finally replace UTF8 with UTF8MB4 according to the prompt. When the database is initialized, the command line error is as follows: C:\mysql-8.0.17-winx64 \bin>mysqld –initialize –console 2019-08-24T13:33:22.622321Z 0 [System] [MY-013169] [Server] C:\mysql-8.0.17-winx64\bin\mysqld.exe (mysqld 8.0.17) initializing of server in progress as process 8404 2019-08-24T13:33:22.624188Z 0 [Warning] [MY-013243] [Server] –character-set-server: The character set UTF8MB3 is deprecated and will be removed in a future release. Please consider using UTF8MB4 instead . 2019-08-24T13:33:22.625619Z 0 [ERROR] [MY-010457] [Server] –initialize specified but the data directory has files in it. Aborting. 2019-08-24T13:33:22.625635Z 0 [ERROR] [MY-013236] [Server] The designated data directory C:\mysql-8.0.17-winx64\data\ is unusable. You can remove all files that the server added to it. 2019-08-24T13:33:22.643590Z 0 [ERROR] [MY-010119] [Server] Aborting 2019-08-24T13:33:22.643744Z 0 [System] [MY-010910] [Server] C:\mysql-8.0.17-winx64\bin\mysqld.exe: Shutdown complete (mysqld 8.0.17) MySQL Community Server – GPL. General process C:\mysql-8.0.17-winx64\bin>mysqld –initialize — console 2019-08-24T13:37:11.590803Z 0 [System] [MY-013169] [Server] C:\mysql-8.0.17-winx64\bin\mysqld.exe (mysqld 8.0.17) initializing of server in progress as process 2484 2019-08-24T13:37:15.862830Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: 37swG%65Qjf1 2019-08-24T13:37:17.783854Z 0 [System] [MY-013170] [Server] C:\mysql-8.0.17-winx64\bin\mysqld.exe (mysqld 8.0.17) initializing of server has…