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MySQLi INSERT

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MySQLi INSERT

Ananya only reaches for MySQLi INSERT when fetch marks by roll has to stay correct in the college DB.

For MySQLi INSERT, Apache/Nginx is in play. Don’t blame it until you have traced fetch marks by roll.

Without MySQLi INSERT, the college DB gets messy and fetch marks by roll is hard to trust.

Use MySQLi INSERT when fetch marks by roll must stay clear. If a simpler PHP step works, use that instead.

MySQLi INSERT miss — string-concat SQL. Fix it before you talk about advanced PHP.

Place MySQLi INSERT next to nearby PHP work — prepared statement is the link.

Viva for MySQLi INSERT — what it is → prepared statement → the mistake (string-concat SQL).

Exam tip

For MySQLi INSERT: definition + the college DB + one failure.

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

Short notes

DefMySQLi INSERT — Ananya uses it for fetch marks by roll in the college DB.
RuleMySQLi INSERT → prepared statement.
RememberMySQLi INSERT + Apache/Nginx (the college DB).
UseMySQLi INSERT in the college DB (fetch marks by roll).
TrapMySQLi INSERT — string-concat SQL.
ExMySQLi INSERT → fetch marks by roll.

<?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 INSERT

Example

Short notes

Questions

MySQLi INSERT

Example

Short notes

Questions