Effective Tricks That Database Developers Must Know

MySQL is considered to be an excellent database management system, since its inception in 1995. It has gone through various improvements and updates since then. Here are some tips that will help the database developers to work with this database management system.

Create Column Types And Index: The JOIN functions in MySQL require to be optimized properly. So, you need to properly index the columns on both sides of the tables when you possess several queries of the JOIN applications. You should join the columns that are of the same type, with the encoded characters for the string columns.

Never Edit The Dump Files: The dump files present in the MySQL are generally text files that are harmless in nature. When you start editing the dump file, you will notice that they are simple text files. But, as soon as you start the process, within the text editor; the corruptions will start appearing. You can only avoid this problem simply by leaving the dump files alone.

Add The Keyword EXPLAIN For Queries: The simplicity and the convenience of using MySQL has been appreciated by many developers who have used it. When you are adding the MySQL keyword, you can obtain an improved explanation of the performance of the query. This keyword will help you in understanding the scanning process for the used indexes. You can pick up the query called SELECT and then write the keyword ‘EXPLAIN’ before it. The result will appear instantly, which can be saved at once. You can take help of the DBA consulting experts, if you have any doubts in this process.

Turn On Delay_Key_Write: The delay_key_write option remains turned off by default. This is because if you experience a crash project, you can just get a corrupted database. But, when you turn it on, the MyISAM key file will not be deleted after a single writing process. So, if you are undergoing the write process in the future, you will be saving a huge amount of time. After turning on the specific key, you can easily observe the difference in the site manual of MySQL.

Identify WHERE Clause with LIMIT 1: When you are searching for a single row within the queries, you should optimize the performance by LIMIT 1 functions. So, instead of covering the entire table, you can perform pause function in the scanning process for some moment. This command is a very simple one, so that you can easily define the WHERE clause.

Optimize Queries: Through the MySQL servers, the query caching process is enabled, which can be considered as one of the most effective methods for retrieving the cache results. Though the same query may run several times, you can retrieve the results, with the database engine.

MySQL can be considered as one of the most influential and important database programs. The more you get accustomed to it, the more you can develop the programs on your own. You can also join the database communities to learn about some of the latest updates and tutorials and be an integral part of the learning experience.