IntermediateData Science
🗄️
SQL for data analysis
Query business databases — from SELECT to window functions.
4.5(2 reviews) 12h 0 lessons 0 XP
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Learn SQL on a real e-commerce DB: customers, orders, products. Postgres dataset included.
Course objectives
- Write SELECT with WHERE, GROUP BY, HAVING, JOIN
- Use window functions: ROW_NUMBER, RANK, LAG
- Basic query optimization with indexes
What you'll achieve
- Pass data analyst SQL interview tests
- Pull insights from your company DB
Skills you'll gain
Analytical SQLData storytelling
Curriculum
0 chapters · 0 lessons
Instructors
Your instructors & mentors
T
Thầy Nam (Instructor)
Instructor
HUST graduate, ex-data lead at Grab Vietnam.
pythonpandasml
C
Cô Lan (Mentor)
Mentor
sqlcareerinterview
Reviews
2 reviews · average 4.5/5
5/23/2026
Mong có thêm bài về CTE.
K
Khôi Lê5/23/2026
JOIN giải thích bằng diagram dễ hiểu cực kỳ.
M
Minh TrầnFAQ
Frequently asked questions
Can I start with zero SQL?
Yes — first lesson assumes no prior SQL.
Ready to start your journey?
Try the first lesson free — no card needed. Enroll to unlock everything.