DROP TABLE IF EXISTS diaries;
CREATE TABLE diaries (
id INT PRIMARY KEY AUTO_INCREMENT,
title TEXT,
body TEXT
) DEFAULT CHARSET UTF8MB4 COMMENT = 'ENGINE "InnoDB"';
INSERT INTO diaries (title, body) VALUES ("survey", "will start groonga!");
SELECT * FROM diaries;
id	title	body
1	survey	will start groonga!
ALTER TABLE diaries DROP COLUMN body;
SELECT * FROM diaries;
id	title
1	survey
INSERT INTO diaries (title) values ("groonga (1)");
INSERT INTO diaries (title) values ("groonga (2)");
SELECT * FROM diaries;
id	title
1	survey
2	groonga (1)
3	groonga (2)
DROP TABLE diaries;
