select as query in mysql code example

Example 1: query sql in php

$sql = "SELECT id, firstname, lastname FROM MyGuests";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    // output data of each row
    while($row = $result->fetch_assoc()) {
        echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>";
    }
} else {
    echo "0 results";
}
$conn->close();

Example 2: select query in mysql

SELECT * FROM `table_name`;
SELECT `col1`,`col2` FROM `table_name`;
SELECT `col1 as name`,`col2 as email` FROM `table_name`;
SELECT * FROM `table_name` WHERE id = '1';

Example 3: MySQL SELECT

SELECT select_list
FROM table_name;