20210116(토)

sql   : structure query language

 

database : inmemory or file is difficult to grow in size so we use database through sql

 

schema : what we needs column andt that condition for each column(blueprint of the database)

 

dotenv :

dotenv.config();  then we can use

process.env.DATABASE_USERNAME(make .env file and variable)

 

bodyparser : velog.io/@yejinh/express-%EB%AF%B8%EB%93%A4%EC%9B%A8%EC%96%B4-bodyParser-%EB%AA%A8%EB%93%88

express 미들웨어 body-parser 모듈

express.set() :  > get , setting

 

 

sequilize 알아보기

 

서버사이드 라우터 / 클라이언트 라우터