พื้นฐาน SQL

Learn how to create and query relational databases using SQL in just two hours.

มีแบบฝึกหัดลงมือทำประกอบทุกขั้นตอน คอร์สนี้สอนทุกอย่างที่ต้องรู้เพื่อวิเคราะห์ข้อมูลด้วยโค้ด SQL ของคุณเองวันนี้!

Use your data manipulation skills to perform exploratory data analysis on a dataset around student mental health.

Level up your SQL knowledge and learn to join tables together, apply relational set theory, and work with subqueries.

Master the complex SQL queries necessary to answer a wide variety of data science questions and prepare robust data sets for analysis in PostgreSQL.

Learn how to create queries for analytics and data engineering with window functions, the SQL secret weapon!

Learn the most important PostgreSQL functions for manipulating, processing, and transforming data.

Learn to design databases in SQL to process, store, and organize data in a more efficient way.

Use SQL to explore and analyze GoodThought NGO's database, uncovering key insights from over 13 years of transformative projects.