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CREATE TABLE employees (
employee_id SERIAL PRIMARY KEY,
first_name CHARACTER VARYING (20),
last_name CHARACTER VARYING (25) NOT NULL,
email CHARACTER VARYING (100) NOT NULL,
phone_number CHARACTER VARYING (20),
hire_date DATE NOT NULL,
job_id INTEGER NOT NULL,
salary NUMERIC (8, 2) NOT NULL,
manager_id INTEGER,
department_id INTEGER
);
INSERT INTO employees(
employee_id, first_name, last_name,
email, phone_number, hire_date, job_id,
salary, manager_id, department_id
)
VALUES
(
102, 'Lex', 'De Haan', 'lex.de haan@sqltutorial.org',
'515.123.4569', '1993-01-13', 5,
17000.00, 100, 9
),(
103, 'Alexander', 'Hunold', 'alexander.hunold@sqltutorial.org',
'590.423.4567', '1990-01-03', 9,
9000.00, 102, 6
),(
104, 'Bruce', 'Ernst', 'bruce.ernst@sqltutorial.org',
'590.423.4568', '1991-05-21', 9,
6000.00, 103, 6
),(
105, 'David', 'Austin', 'david.austin@sqltutorial.org',
'590.423.4569', '1997-06-25', 9,
4800.00, 103, 6
),(
106, 'Valli', 'Pataballa', 'valli.pataballa@sqltutorial.org',
'590.423.4560', '1998-02-05', 9,
4800.00, 103, 6
),(
107, 'Diana', 'Lorentz', 'diana.lorentz@sqltutorial.org',
'590.423.5567', '1999-02-07', 9,
4200.00, 103, 6
),(
108, 'Nancy', 'Greenberg', 'nancy.greenberg@sqltutorial.org',
'515.124.4569', '1994-08-17', 7,
12000.00, 101, 10
),(
109, 'Daniel', 'Faviet', 'daniel.faviet@sqltutorial.org',
'515.124.4169', '1994-08-16', 6,
9000.00, 108, 10
);
CREATE TABLE favoriteworker (myid int, employee_id int);
INSERT INTO favoriteworker VALUES (1, 103), (1, 105);;
Stuck with a problem? Got Error? Ask AI support!
<?php
$myid = 1;
$query = '
SELECT *
FROM employees
JOIN favoriteworker ON favoriteworker.employee_id = employees.employee_id
WHERE favoriteworker.myid = ?';
// get DB version using PDO
$stmt = $pdo->prepare($query);
$stmt->execute([$myid]);
$favorites_employees = $stmt->fetchAll(PDO::FETCH_ASSOC);
print_r($favorites_employees);
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RDBMS versions: MySQL 8.0, MySQL 8.0 Sakila (ReadOnly), MySQL 9.3.0, MariaDB 11.4, MariaDB 11.8, MariaDB 11.8 OpenFlights (ReadOnly), MariaDB 10, MariaDB 10 Sakila (ReadOnly), SQLite 3, SQLite 3 Preloaded, PostgreSQL 10 Bookings (ReadOnly), PostgreSQL 13, PostgreSQL 14, PostgreSQL 15, PostgreSQL 16, PostgreSQL 17 + PostGIS, PostgreSQL 17 + PostGIS WorkShop (ReadOnly), MS SQL Server 2017, MS SQL Server 2019, MS SQL Server 2022, MS SQL Server 2022 AdventureWorks (ReadOnly), Firebird 4.0, Firebird 4.0 (Employee), Firebird 5.0, RedDatabase 5.0, Oracle Database 19c (HR), Oracle Database 21c, Oracle Database 23c Free, SOQOL, ClickHouse