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Learn the essential SQL and database fundamentals needed for practical work.
Not only developers, but also planners and data analysts can learn SQL in depth.

2025 추석맞이 감사할인

Kim Younghwan's Practical Database - Basic Edition

데이터베이스

데이터베이스 관리 시스템

DBMS/RDBMS

MySql

mysql

sqld

SQLD

입문

초급

중급이상

MySQL

SQL 개발자 자격시험

Course Introduction and Class Materials

Join 1 - Inner Join

Join2 - Outer Join and Other Joins

Subquery

UNION

CASE Statement

View

Index1

Index2

Data integrity

Transaction

stored procedures, functions, triggers