Is it best practice to use SELECT * in SQL queries in PHP applications?

Using SELECT * in SQL queries in PHP applications is generally not considered best practice because it can retrieve unnecessary data and impact performance. It is recommended to explicitly list the columns you need in the SELECT statement to improve readability, maintainability, and performance of your queries. 

<?php
// Explicitly list the columns you need in the SELECT statement
$query = "SELECT column1, column2, column3 FROM table_name WHERE condition = 'value'";
$result = mysqli_query($connection, $query);

// Process the query result
if ($result) {
    while ($row = mysqli_fetch_assoc($result)) {
        // Process the data
    }
} else {
    echo "Error: " . mysqli_error($connection);
}

// Close the connection
mysqli_close($connection);
?>

Keywords

SQL queries SELECT * PHP applications best practice performance.

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