Focus mode

PHP Temel

INNER JOIN LEFT JOIN RIGHT JOIN

PDO JOIN

img.png

INNER JOIN
$sql = "SELECT page_category, ptc.page_title FROM page 
        INNER JOIN page_to_content ptc on page.page_id = ptc.page_id
        WHERE page_type = 'service'";


$query = $db->query($sql);

if ( $query->rowCount() ){
    print_r($query->fetchAll(PDO::FETCH_ASSOC));
}
LEFT JOIN
$sql = "SELECT page_category, ptc.page_title FROM page 
        LEFT JOIN page_to_content ptc on page.page_id = ptc.page_id
        WHERE page_type = 'service'";


$query = $db->query($sql);

if ( $query->rowCount() ){
    print_r($query->fetchAll(PDO::FETCH_ASSOC));
}
RIGHT JOIN
$sql = "SELECT page_category, ptc.page_title FROM page 
        RIGHT JOIN page_to_content ptc on page.page_id = ptc.page_id
        WHERE page_type = 'service'";


$query = $db->query($sql);

if ( $query->rowCount() ){
    print_r($query->fetchAll(PDO::FETCH_ASSOC));
}

Derste Kullanılan Tabloyu Eklemek İçin SQL Komutunu Kullanın

CREATE TABLE IF NOT EXISTS groups (
	gorup_id INT(1) AUTO_INCREMENT,
  group_name VARCHAR(50),
	PRIMARY KEY (gorup_id)
);

INSERT INTO groups (group_name) VALUES ('PHP Developer'),('Javascript Developer'),('C# Developer'),('Java Developer'),('React Developer');
left-disk

Programs to Accelerate Your Progress in a Software Career

Join our 4-8 month intensive Patika+ bootcamps, start with the fundamentals and gain comprehensive knowledge to kickstart your software career!

right-cube

Comments

You need to enroll in the course to be able to comment!