
왕초보를 위한 Adobe Photoshop CC 2019 입문자 가이드
유용한IT학습
그래픽 편집 툴 포토샵의 제일 기본이 되는 중요한 기능을 차근차근 익히는 입문자용 포토샵 강의입니다.
입문
Photoshop
This course is designed to systematically learn advanced SQL features including GROUPING functions and window functions to prepare for the SQLD exam and improve practical data analysis skills. You will learn the concepts and applications of GROUPING functions and master methods for analyzing data at various aggregation levels. You will understand the basic concepts and types of **window functions (based on the OVER keyword)** and enhance your practical skills through hands-on exercises. You will learn **ranking functions (RANK, DENSE_RANK, ROW_NUMBER, etc.)** and window utilization options for aggregate functions through practical examples. You will work with **row order functions (LAG, LEAD, FIRST_VALUE, LAST_VALUE, etc.)** and practice time series data and order-based analysis directly. 👉 Through this course, learners will be able to expand their data aggregation and analysis skills to an advanced level, acquiring practical abilities that can be immediately applied not only for the SQLD exam but also in real corporate data analysis environments.
Understand the concepts and types of GROUPING functions and window functions, as well as the OVER keyword, and practice them hands-on.
Understand and practice using ranking functions, aggregate functions, and window function options.
Who is this course right for?
Anyone who wants to obtain the SQLD certification
Any member who wants to develop basic and practical SQL skills
All
52 lectures ∙ (33hr 21min)
Course Materials:
$159.50
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