USE Study
GO

CREATE TABLE customer(
	id VARCHAR(20) CONSTRAINT PK_id PRIMARY KEY,
	pwd VARCHAR(20) CONSTRAINT NN_pwd NOT NULL,
	name VARCHAR(20) CONSTRAINT NN_name NOT NULL,
	phone1 VARCHAR(3) NULL,
	phone2 VARCHAR(8) NULL,
	birthYear INT NULL,
	address VARCHAR(100) NULL
)

INSERT INTO customer
VALUES('one', '1111', 'Kim', '010', '1234567', 1988, 'Seoul')

INSERT INTO customer
VALUES('two', '2222', 'Lee', '010', '8910111', 1978, 'Incheon')