From c9dd019b576533a8fbc76d311369867592afb737 Mon Sep 17 00:00:00 2001 From: Matt Huntington Date: Sun, 14 Feb 2016 12:48:05 -0500 Subject: [PATCH] Update MySQLNotes.md --- MySQLNotes.md | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/MySQLNotes.md b/MySQLNotes.md index 7136cbf..91d2fcf 100644 --- a/MySQLNotes.md +++ b/MySQLNotes.md @@ -74,10 +74,8 @@ SELECT GROUP_CONCAT(first_name) FROM employees GROUP BY age; SELECT GROUP_CONCAT(first_name), age, height FROM employees GROUP BY age, height; -- JOINS -SELECT * from employees FULL JOIN companies; -SELECT * FROM employees JOIN companies ON employees.`employer_id` = companies.`id`; -SELECT * FROM employees RIGHT OUTER JOIN companies ON employees.`employer_id` = companies.id WHERE employees.`employer_id` IS NULL; -SELECT * FROM employees LEFT OUTER JOIN companies ON employees.`employer_id` = companies.id WHERE employees.`employer_id` IS NULL; -SELECT employees.*, companies.`name` FROM employees INNER JOIN companies ON employees.`employer_id` = companies.id; -SELECT e.*, c.name AS company_name FROM employees AS e INNER JOIN companies AS c ON e.employer_id = c.id; +SELECT * FROM employees JOIN companies ON employees.employer_id = companies.id; +SELECT * from employees JOIN companies; +SELECT * FROM employees RIGHT OUTER JOIN companies ON employees.employer_id = companies.id; +SELECT * FROM employees LEFT OUTER JOIN companies ON employees.employer_id = companies.id; ```