Sorry for the low rating.

But honestly, I don't know if this class is worth the price...

xvbc1231496

We will learn databases and SQL step by step, from the basics to utilization (theory + practice), so that you can extract the data you need in actual work.

mjcoding

SQL that you can use yourself - from basics to practical use

Hello, Jeongsik :) I'm sorry for not being able to give you much satisfaction.
When beginners learned and practiced SQL through the lecture, I judged it to be worth it because they used it in their actual work 😢😢
I'm sorry for not being of sufficient help.

입문

초급

중급이상

데이터베이스 관리 시스템

DBMS/RDBMS

introduction

Why use DB? (Database Structure)

Database Basics

SQL Basic Concepts

Aggregate functions and GROUP BY

Joins that connect multiple tables

Subqueries to make queries more colorful

A taste of the analysis function

At the end of class