Select database queries with Inner, Left and Right Join represent an important part of SQL syntax and come in very handy when you want to make more advanced queries.
Often in PHP you want the same block of code to run over and over again and instead of adding several almost equal lines, you can use loops to perform this task much easier.
Structured Query Language is the most widely used language for interacting with databases. Today we will learn how we can use SQL to insert or update data into MySql database.
