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@sumanssaurabh
Created July 5, 2019 04:20
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<?php
require 'db_config.php';
/**
* <?php
* $servername = "127.0.0.1";
* $username = "root";
* $password = "";
* $dbname = "myDB";
* ?>
*/
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
////////////////////////////////////////////////////////////////////////////////////////////
// ****DATABASE CREATION *********/////////////////
// Create connection
// $conn = new mysqli($servername, $username, $password);
// Check connection
// if ($conn->connect_error) {
// die("Connection failed: " . $conn->connect_error);
// }
// Create database
$sql = "CREATE DATABASE IF EXISTS myDB";
if ($conn->query($sql) === true) {
echo "Database created successfully";
} else {
echo "Error creating database: " . $conn->error;
}
//////////////////////////////////
// sql to create table
$sql = "CREATE TABLE IF EXISTS MyGuests (
id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,
firstname VARCHAR(30) NOT NULL,
lastname VARCHAR(30) NOT NULL,
email VARCHAR(50),
reg_date TIMESTAMP
)";
if ($conn->query($sql) === true) {
echo "Table MyGuests created successfully";
} else {
echo "Error creating table: " . $conn->error;
}
//insert data
$sql = "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('John', 'Doe', '[email protected]')";
if ($conn->query($sql) === true) {
echo "New record created successfully";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
//get last id
$sql = "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('John', 'Doe', '[email protected]')";
if ($conn->query($sql) === true) {
$last_id = $conn->insert_id;
echo "New record created successfully. Last inserted ID is: " . $last_id;
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
//insert multiple records
$sql = "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('John', 'Doe', '[email protected]');";
$sql .= "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('Mary', 'Moe', '[email protected]');";
$sql .= "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('Julie', 'Dooley', '[email protected]')";
if ($conn->multi_query($sql) === true) {
echo "New records created successfully";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
//select data or showing records
$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";
}
//update data
$sql = "UPDATE MyGuests SET lastname='Doe' WHERE id=2";
if ($conn->query($sql) === true) {
echo "Record updated successfully";
} else {
echo "Error updating record: " . $conn->error;
}
// sql to delete a record
$sql = "DELETE FROM MyGuests WHERE id=3";
if ($conn->query($sql) === true) {
echo "Record deleted successfully";
} else {
echo "Error deleting record: " . $conn->error;
}
$conn->close();
?>
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