2025-08-25 ~ 2025-08-26
- INFO
- 컴퓨터의 역사
- ORACLE + DBMS settings
- 기본 개념
- 01_DQL ( SELECT ) _기본문법
- 02_DQL ( SELECT )_FUNCTION 함수
2025-08-26 ~ 2025-08-27
- 03_DQL ( SELECT )_GROUP BY절 / HAVING 절 / 실행순서
- 04_DQL ( SELECT )_JOIN ⭐⭐⭐⭐⭐
- 05_DQL ( SELECT )_SUB QUERY
- 06_DML ( DATA MANIPULATION LANGUAGE )
2025-08-28
- 07_DDL ( CREATE, ALTER, DROP )