This was a really helpful lecture. It's a great opportunity for those with basic SQL knowledge to take it to the next level.

186231

Through detailed lectures and hands-on practice on the core elements of SQL, we will provide you with a solid foundation to grow into a SQL analysis expert.

dooleyz3525

인프런 10주년! 사랑주간 전체 할인

Data Analysis SQL Fundamentals

postgresql

데이터분석

데이터베이스 관리 시스템

DBMS/RDBMS

SQL の基本要素に関する詳細な講義と実習を通じて、揺るぎない骨組みを作り、SQL 分析の専門家として成長できるようにサポートします。

입문

초급

중급이상

포스트그레SQL

PostgreSQL

Data Engineering

データ分析 SQL Fundamentals

講義の紹介と実践環境を構築する。

Join - 結合ベースのメカニズム

Join - Outer Join、Non Equi Join、Cross Join

Date, Timestamp, Intervalを扱う

Group by と集計関数 (Aggregate Function)

Analytic SQL - 概要とランク Analytic

Analytic SQL - 集計(Aggregate) Analytic と Window 詳細

Analytic SQL - lead/lag, first_value/last_value, ランク/逆分関数

[付録] サブクエリ (Sub-query)

結ぶ