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How to Grant MySQL Root Privileges for 127.0.0.1

Tutorial October 03, 2024
bash

Once you’ve granted privileges, you need to set the password for the root user when connecting from 127.0.0.1.

Run the following command to set or update the root password for TCP connections:

How to Reset the MySQL Root Password Using DROP USER

Tutorial October 03, 2024
bash

sudo systemctl restart mysql

Now that MySQL has restarted and is enforcing password authentication, you can log in to MySQL using the new root password you set earlier.

How to Resolve the "#1038 - Out of Sort Memory" Error in MySQL

Tutorial August 26, 2024
mysql

Restart the MySQL service from the Services management console.

In some cases, the error can be mitigated by optimizing the SQL queries that are causing large sorts. Here are some tips:

Understanding and Using MySQL Indexes

Tutorial August 12, 2024
mysql

Indexes work by creating a separate data structure that holds the indexed columns and a pointer to the actual data in the table. This allows MySQL to quickly locate and retrieve the requested data without scanning every row in the table.

If an index is no longer needed, it can be removed using the DROP INDEX command:

How to Monitor MySQL Database Performance

Tutorial August 12, 2024
mysql

To enable the slow query log, add the following lines to your my.cnf or my.ini file:

[mysqld]
slow_query_log = ON
slow_query_log_file = /path/to/slow-query.log
long_query_time = 2