This is the second of two MySQL courses leading to your well-deserved diploma in PHP development. Excited? You should be, because this time, you’re going to learn advanced topics in web development ...

Prepared statements avoid the process of compiling, parsing and running a stored procedure or inline SQL statement in your code. The PHP prepared statement function speeds up the application ...

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The MySQL SUM function takes the fields or rows you input and adds their values together, then returns the total. Save your query in a PHP variable. You can use the function as many times as you ...