Difference – include and include_once with example


We all know both the functions include and include_once in PHP will insert the content of the PHP file into another PHP file. Sometimes people may ask the difference especially in Interviews, you may have confused how to explain the difference between… Continue Reading


Delete duplicate records except one record in MySQL


This kind of questions are asked many times in many Interviews, so better we should know how to answer them. Let’s create a table first and insert some dummy duplicate records:

Run this above query in a SQL browser… Continue Reading