sql tutorial INSERT INTO INSERT INTO Customers (CustomerName, ContactName, Address, City, PostalCode, Country)VALUES ('Cardinal', 'Tom B. Erichsen', 'Skagen 21', 'Stavanger', '4006', 'Norway');Customers 테이블의 선택한 열에 값 추가 INSERT INTO Customers (CustomerName, City, Country)VALUES ('Cardinal', 'Stavanger', 'Norway');테이블의 CustomerName, City, Country 열에만 데이터 값 삽입 INSERT INTO Customers (CustomerName, C..