From b0c9a1b2aed47f238f0289ec0fde4174ff3d0c54 Mon Sep 17 00:00:00 2001 From: Matt Huntington Date: Sun, 14 Feb 2016 12:54:20 -0500 Subject: [PATCH] Update MySQLNotes.md --- MySQLNotes.md | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/MySQLNotes.md b/MySQLNotes.md index 1c20b18..bcc4078 100644 --- a/MySQLNotes.md +++ b/MySQLNotes.md @@ -57,11 +57,17 @@ SELECT * FROM people ORDER BY age DESC, first_name ASC; -- ALTER TABLE ALTER TABLE people ADD COLUMN weight FLOAT; ALTER TABLE people DROP COLUMN height; +ALTER TABLE people MODIFY COLUMN height FLOAT; + ALTER TABLE people ADD COLUMN height FLOAT AFTER first_name; ALTER TABLE people MODIFY COLUMN height FLOAT AFTER age; + ALTER TABLE people ADD COLUMN id INT FIRST; +ALTER TABLE people MODIFY COLUMN height FLOAT FIRST; + ALTER TABLE people ADD COLUMN dob DATETIME; ALTER TABLE people CHANGE dob date_of_birth DATETIME; + ALTER TABLE people ADD COLUMN id INT NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST; -- AGGREGATION