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develope_kkyu
[ORACLE] C, R, U, D 기초
-- 테이블 생성 create table student( name varchar2(20) not null, gender varchar2(1) not null, school_name varchar2(20) not null, grade_num varchar2(1) not null, mobile varchar2(8), math_score number(3), english_score number(3), korean_score number(3) ); desc student; --C(데이터생성/추가)insert --insert into 테이블명 values (값1, 값2, ... ,값n); --insert into 테이블명(칼럼명1, 칼럼명2, ... ,칼럼명n); values (값1, 값2, ... ,값n); i..
SQL
2022. 12. 23. 12:39