https://albazy.com/2010/05/%d8%a7%d8%b9%d8%a7%d8%af%d8%a9-%d8%b6%d8%a8%d8%b7-%d9%83%d9%84%d9%85%d8%a9-%d8%a7%d9%84%d9%85%d8%b1%d9%88%d8%b1-%d9%84%d9%84%d9%8a%d9%88%d8%b2%d8%b1-root-%d9%81%d9%8a-%d8%ae%d8%a7%d8%af%d9%85-mysql/