SQL Practice 2

2023년 7월 27일

1. 문제 [[object Object]]

다음 환자 테이블에서 first_name이 'C'로 시작하는 환자의 first_name을 표시하시오.

patient_id	first_name	last_name	gender	birth_date	city	province_id	allergies	height	weight
1	Donald	Waterfield	M	1963-02-12	Barrie	ON	NULL	156	65
2	Mickey	Baasha	M	1981-05-28	Dundas	ON	Sulfa	185	76
3	Jiji	Sharma	M	1957-09-05	Hamilton	ON	Penicillin	194	106
4	Blair	Diaz	M	1967-01-07	Hamilton	ON	NULL	191	104
5	Charles	Wolfe	M	2017-11-19	Orillia	ON	Penicillin	47	10
6	Sue	Falcon	F	2017-09-30	Ajax	ON	Penicillin	43	5

SELECT
  first_name
FROM
  patients
WHERE
  first_name LIKE 'C%'

SELECT first_name
FROM patients
WHERE substring(first_name, 1, 1) = 'C'

first_name
Charles