MySQLi DELETE — PHP Technical Interview Questions & Answers

MySQLi DELETE

MySQLi DELETE

  • MySQLi DELETE is a PHP topic. In plain words you use it for fetch marks by roll in the college DB. Don’t start with a slogan — start with that picture.
  • Smallest example: prepared statement. Type it, run it, and say what you see. If you can do that from memory, you know MySQLi DELETE.
  • From the example next to this theory: MySQLi DELETE — use prepared statements with PDO/MySQLi — never concatenate raw SQL.
  • Trap: string-concat SQL. Fix that before you talk about advanced PHP.
  • Viva: what is MySQLi DELETE? Then show prepared statement. Then name the trap.

Technical Interview Tip: What is MySQLi DELETE? Show this: prepared statement. Trap: string-concat SQL.

Code Examples for MySQLi DELETE

MySQLi DELETE — working example

<?php
// PDO sketch (connection details omitted)
// $pdo = new PDO($dsn, $user, $pass);
// $stmt = $pdo->prepare("SELECT id, name FROM users WHERE id = ?");
// $stmt->execute([1]);
// $row = $stmt->fetch();
$demo = ["id" => 1, "name" => "Asha"];
echo $demo["name"];

MySQLi DELETE — use prepared statements with PDO/MySQLi — never concatenate raw SQL.

How to Explain MySQLi DELETE to an Interviewer

What is MySQLi DELETE?

Used for fetch marks by roll the college DB Not just the heading

Give one small example of MySQLi DELETE.

prepared statement MySQLi DELETE — use prepared statements with PDO/MySQLi — never concatenate raw SQL

What mistake do beginners make with MySQLi DELETE?

string-concat SQL Show the fix

Where do you use MySQLi DELETE?

the college DB fetch marks by roll