simple mysqli query dont work [closed] - php

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I try to learn mysql an have a problem with a sql query.
i made a database connection with mysqli
the php script create a table code_scanned in database.
Creating the Table works very good!
But my second query to fill the table wont work :(
If i paste the query manually to phpadmin it works.
But not in my php script.
Can please anyone have a look on my code, what i do wrong.
$servername = "xxxxxxx";
$username = "xxxxxx";
$password = "xxxxxx";
$dbname = "xxxxxx";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// sql to create table
$sql = "CREATE TABLE IF NOT EXISTS code_scanned (
id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
produkt VARCHAR(50) NOT NULL,
code VARCHAR(30) NOT NULL
)";
if ($conn->query($sql) === TRUE) {
echo "code_scanned erstellt";
} else {
echo "Fehler" . $conn->error;
}
$sql = "INSERT INTO code_scanned (produkt, code) VALUES ('gates', 'Microsoft')";
$conn->close();

Answer 1

Exexute the insert query :
And correct The code:
$sql = "INSERT INTO code_scanned (produkt, code) VALUES ('gates', 'Microsoft')";
$result= mysqli_query($conn,$sql);
if($result)
{
echo "Insert sucessfully";
}
else
{
echo("Sorry:".mysqli_errno($conn));
}
$conn->close();

Answer 2

You are not running the second query. Put this below the line that has $sql = "INSERT...."
$conn->query($sql);