2022.4.7.(목)
Dbeaver hr 계정 풀기
DBMS 입문( select, from, where 과 함수들 )
- sqlplus
- system / 1234
- alter user hr identified by hr account unlock;
- alter user hr identified by 1234;
- grant connect, resource to hr;
< 기본적인 SELECT * FROM tab; >
< SELECT와 FROM, 그리고 WHERE를 이용한 조건문 >
< SELECT 조건문 >
< OR 과 NOT >