7 Best Queries Courses for Beginners
We compared 7 Queries courses currently listed on Udemy, edX and Coursera, priced from $19.99 to $310.50. 1 comes from a named university or institution, including Stanford University. They are ordered by our CourseAsk score, which is built from how thoroughly each course describes what it teaches, whether it comes from a named institution, and how it compares on price — not from star ratings, which our course data does not include.
- Courses compared
- 7
- Price range
- $19.99 – $310.50
- Providers
- Udemy, edX, Coursera
- Last updated
- 18 Sep 2026
How these 7 courses were chosen
Every course below is a real, currently listed course from Udemy, edX, Coursera, matched to "queries" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
The grade on each entry scores how much the provider publishes about the course before you pay — the length and detail of the description, whether it lists learning outcomes and objectives — and whether a named university or institution stands behind it. A is fully documented and institution-backed; E is little more than a title and a price. Courses with almost nothing published are left ungraded rather than marked down, because an unknown course and a poor one are not the same thing.
There are no star ratings on this page — the course feeds we license do not include them, and we would rather leave a column out than fill it with a number we cannot stand behind. What we do have is price: these range from $19.99 to $310.50, as listed by the provider when we last updated the page.
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1
Build SQL Queries with Excel from scratch
SQL is a standard language for accessing and manipulating databases.What is SQL?SQL stands for Structured Query LanguageSQL lets you access and manipulate databasesSQL became a standard of the American National Standards...
$19.99listed price -
2
Introduction to SQL & Databases
Offered by Stanford University
This course provides a solid foundation in SQL and database management, focusing on key concepts and practical applications. You will learn how to create and manipulate databases, write complex queries, and understand fu...
$310.50listed price -
3
GraphQL Mastery: From Fundamentals to Production
Offered by Board Infinity
The GraphQL Specialization provides a practical, end-to-end path for mastering modern API development. Across three courses, you’ll progress from GraphQL fundamentals—schemas, queries, mutations, and resolvers—to advance...
$49.00listed price -
4
PostgreSQL For Beginners
PostgreSQL is commonly known as Postgres and it is also open source database. In this course, we will go over the basics of the PostgreSQL. We will cover topics ranging from installations, to writing basic queries and r...
$159.99listed price -
5
SQLAlchemy ORM Query Fundamentals
Master the power of SQLAlchemy ORM with this in-depth course designed to teach you the fundamentals of database interaction using Python. Whether you're a developer, data professional, or aspiring backend engineer, this...
$19.99listed price -
6
RDBMS & SQL: Fundamentals for Backend Developers
Are you preparing for a backend developer role or gearing up for a crucial technical interview? This comprehensive course will guide you through the world of Relational Database Management Systems (RDBMS) and Structured...
$49.99listed price -
7
SQL for Beginners | Learn Database for ASP.NET Developers
This course on SQL for Beginners is designed for those who want to enhance their data management skills, especially for ASP.NET development. You'll go through a structured 30-day learning path that takes you from the bas...
$19.99listed price
Best Queries Courses for Beginners compared
| # | Course | Provider | Offered by | Price | |
|---|---|---|---|---|---|
| 1 | Build SQL Queries with Excel from scratch | Udemy | — | $19.99 | View → |
| 2 | Introduction to SQL & Databases | edX | Stanford University | $310.50 | View → |
| 3 | GraphQL Mastery: From Fundamentals to Production | Coursera | Board Infinity | $49.00 | View → |
| 4 | PostgreSQL For Beginners | Udemy | — | $159.99 | View → |
| 5 | SQLAlchemy ORM Query Fundamentals | Udemy | — | $19.99 | View → |
| 6 | RDBMS & SQL: Fundamentals for Backend Developers | Udemy | — | $49.99 | View → |
| 7 | SQL for Beginners | Learn Database for ASP.NET Developers | Udemy | — | $19.99 | View → |
Prices shown are the provider's listed price when we last updated this page. Confirm on their site before enrolling.
What the prices here tell you
The 7 priced courses on this page run from $19.99 to $310.50, with the middle of the range around $49.00 — a spread of $290.51. That is a wide gap for one subject. A higher price on this page usually reflects who is behind the course rather than how much material it contains, so it is worth opening two or three at different price points and comparing their syllabus before deciding.
Who is behind these courses
These courses come from Udemy, edX and Coursera. The platforms differ in how they sell: some charge once per course, others expect a subscription, and the listed price is not always what you pay at checkout after a promotion. 1 of these are produced by a named university or institution, including Stanford University — which usually means a fixed syllabus and a recognised certificate, rather than an individual instructor’s own course.
Before you enrol
Open the provider’s own page and check three things this comparison cannot tell you: when the course was last updated, what the syllabus actually covers in its later sections, and what recent learners say. Prices shown here are the provider’s listed price when we last rebuilt this page on 18 September 2026 — they change often, and a promotion can move them substantially. We earn a commission if you enrol through our links, which costs you nothing and never affects the order courses appear in.