-- 1. insert 문
-- 1) 단일 생성
insert into dept(deptno, dname, loc )
values ( 50, '개발', '서울');
insert into dept(deptno, dname )
values ( 60, '개발');
-- 2) 멀티 생성
create table copy_dept
as
select * from dept;
SELECT * FROM copy_dept;
create table copy_dept2
as
select * from dept
where 1=2;
SELECT * FROM copy_dept2;
-- 2. update 문
update dept
set dname ='인사', loc='제주'
where deptno = 50;
-- 3. delete 문
delete from dept
where deptno = 50;
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