Resolving Error 1044 on MySQL: Access Denied for User
In MySQL, you may encounter the error "ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'" while attempting to execute queries. This error indicates a lack of proper user privileges.
Identifying User Privileges
To check the current user's privileges, execute the command:
SHOW GRANTS
If you see the following output:
+--------------------------------------+ | Grants for @localhost | +--------------------------------------+ | GRANT USAGE ON *.* TO ''@'localhost' | +--------------------------------------+
It means you have only USAGE privileges on all databases, but no table-level privileges or the ability to create users.
Creating a New User
To create a new user with the necessary privileges, you will need to be logged in as a user with the CREATE USER privilege. Since you do not have a user with such privileges, you need to exit the MySQL command-line and log in as the root user:
mysql -u root -p
Enter the root password when prompted.
Create a New User with Privileges
Once you are logged in as root, execute the following command to create a new user called 'parsa':
CREATE USER 'parsa'@'localhost' IDENTIFIED BY 'parsa'
Granting Table-Level Privileges
Next, grant the newly created user the necessary table-level privileges. For example, to grant all privileges on the 'test' database:
GRANT ALL PRIVILEGES ON test.* TO 'parsa'@'localhost'
Exiting MySQL and Re-establishing Connection
After creating the new user and granting privileges, exit MySQL by typing:
exit
Re-establish a connection with the newly created user:
mysql -u parsa -p
The above is the detailed content of How to Fix MySQL Error 1044: Access Denied for User?. For more information, please follow other related articles on the PHP Chinese website!

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