Node.js
[06.11] Database - 01 기본
ljw4104
2021. 6. 11. 13:01
1. mySQL로 시작
https://www.w3schools.com/sql/default.asp
SQL Tutorial
SQL Tutorial SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learn
www.w3schools.com
데이터 삽입
INSERT INTO 테이블명(<column이름들,>) VALUES(<데이터,>);
#문자열은 ''로 둘러쌓여야 한다.
insert into users(name, age, married, comment) values('홍길동', 40, 1, '자기소개');
데이터 읽기
SELECT <Column이름들,> FROM <Table이름>
조건이 읽는 데이터 읽기
SELECT [<Column이름들,>] FROM <Table이름> WHERE condition1=value1 AND(OR) condition2=value2...;