This is a sql query for create a table in WordPress environment.

create_wp_chart_teams.sql

CREATE TABLE IF NOT EXISTS wp_chart_teams (
	id bigint(20) NOT NULL AUTO_INCREMENT,
	name varchar(255) NOT NULL,
	emoji varchar(255) NOT NULL,
	parent_id bigint(20),
	user_id bigint(20) unsigned NOT NULL,
	UNIQUE(id),
	PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_520_ci;

ALTER TABLE wp_chart_teams
ADD CONSTRAINT fk_parent_id
FOREIGN KEY (parent_id)
REFERENCES wp_chart_teams(id)
ON DELETE CASCADE;

ALTER TABLE wp_chart_teams
ADD CONSTRAINT fk_user_id
FOREIGN KEY (user_id)
REFERENCES wp_users(ID)
ON DELETE CASCADE;

INSERT INTO `wp_chart_teams`(id, name,emoji,parent_id, user_id) VALUES 
(1, 'Rusty Corp.', '\\ud83d\\udc15', null, 1),
(2, 'Food', '\\ud83e\\udd69', 1, 1),
(3, 'Canine Therapy', '\\ud83d\\ude0c', 1, 1),
(4, 'Massages', '\\ud83d\\udc86', 3, 1),
(5, 'Games', '\\ud83c\\udfbe', 3, 1);