A seasoned software engineer with extensive experience in building complex distributed data-intensive backend services. The most general way to satisfy a COUNT DISTINCT or SELECT DISTINCT clause is to ...

前回の負荷MAX、サーバ陥落寸前ですよ騒動のとき、最終的には自分で最適化する必要があるのかも知れない…と思っていたときに見つけたページです。 MySQLやPHPで同じ処理をする際にどういうふうにすればより軽いのか、という基本的な対策ばかりを集めて ...

Optimization of database tables in mysql is a methodology which must be done frequently to make your database healthy. As per mysql manual, OPTIMIZE TABLE should be used if you have deleted a large ...

Abstract: The application system based on the MySQL database has gradually penetrated into various fields, and the performance of the MYSQL database has attracted more and more attention. This paper ...

Optimizing MySQL database performance, especially in heavy demand public cloud services, is a key challenge for data base administrators. IT operations and maintenance developers have found that just ...

It runs the corresponding sql queries from mysql_secure_installation. It sets up an admin user that can access all databases remotely - only enable this if you understand the security ramifications of ...