How to Fix “MySQL Server PID File Could Not Be Found” Error
Possible causes are as follows:
1. An existing process is already running:
ps -ef|grep mysqld or ps -ef|grep mysql
kill -9 process_id
The specific service name can be adjusted according to your actual situation …
Log into MySQL
mysql -u root -p123456
After logging into MySQL, execute the following commands: MySQL>use mysql;
MySQL>GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRAN …
php 5 versions, 5.2, 5.3, 5.4, 5.5. For fear of falling behind the times, I went straight to 5.5 on the new server, but the program threw the following error: Deprecated: mysql_connect(): The mysql extension is deprecated and will be removed in the future: use mysqli or …
Edit the mysql.ini file and add a line log-bin="path". The example below places it under C:/Program Files/MySQL/MySQL Server 5.5/log:
1.Create a new folder named log in the corresponding directory
2.Locate the MySQL installation directory, open my.ini, and add the following under [mysqld]:
log-bin = C …
Below is an example of installation in root mode:
#yum -y install mysql-server
Installed: mysql-server.i386 0:4.1.20-1.RHEL4.1
Dependency Installed: mysql.i386 0:4.1.20-1.RHEL4.1 perl-DBD-MySQL.i386 0:2.9004-3.1 …
The general steps are as follows: enter the MySQL database, select the database to use, select the data table to use, and execute the relevant commands;
1. Enter MySQL: mysql -uroot -p Enter the password as prompted. 2. Select the database: Using ‘dz’ as an example here use dz; A successful selection will display: Database changed 3. Select …
How to Reset Forgotten MySQL Password on Windows
Usually, we don’t manage MySQL very often, and over time the password gets forgotten — and without a MySQL management tool at hand, we have to manually reset the MySQL password. Let’s first look at how to reset MySQL on Windows. 1. First, stop the MySQL service …
Running “net start mysql” in DOS fails to start MySQL! It prompts: system error 5; access denied! Go to Services in My Computer, find the MySQL service item, double-click it and then click the “Log On” tab, make sure the logon identity is using the system account, as shown below, …
MySQL has supported full-text indexing since version 4.0, but the default minimum index word length is 4. For English this default is quite reasonable, but the vast majority of Chinese words consist of 2 characters, which means any word shorter than 4 characters cannot be indexed, rendering the full-text index functionality virtually useless. Domestically …
MySQL Database Import Error: 40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET Fix
A friend applied for a free MySQL database hosting space for testing and tried to import a database this morning. After several attempts, it kept throwing an error: 40101 SET @OLD_CHARACTER_SET_CLIENT …
