15 Best Querying Courses Online
We compared 15 Querying courses currently listed on Udemy, edX and Coursera, priced from $19.99 to $199.99. 1 comes from a named university or institution, including The University of Michigan. 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
- 15
- Price range
- $19.99 – $199.99
- Providers
- Udemy, edX, Coursera
- Last updated
- 30 Aug 2026
How these 15 courses were chosen
Every course below is a real, currently listed course from Udemy, edX, Coursera, matched to "querying" by our catalog and ordered by our CourseAsk score. Courses whose own title names the topic rank above those only tagged with it.
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 $199.99, as listed by the provider when we last updated the page.
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1
Microsoft SQL Server 2019 - Querying SQL Server
This course provides students with the technical skills required to write basic Transact-SQL queries for Microsoft SQL Server. You will learn how to write queries that return data from tables as well as create, update, o...
$19.99listed price -
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2
Database Design and Basic SQL in PostgreSQL
Offered by The University of Michigan
This first course in PostgreSQL for Everybody explores the use of SQL in the PostgreSQL environment and introduces SQL techniques and commands. This course also explores data modeling and database relationships, while in...
$59.00listed price -
3
Udemy CertificateMongoDB Associate Developer & Database Administrator Exams
MongoDB Associate Developer Certification Practice Exam with Details Explanation! Get ready to Pass your Certification Exam.The MongoDB Associate Database Administrator (DBA) certification is designed to provide individu...
$19.99listed price -
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4
Udemy CertificateSplunk Core Certified User: Master Expertise from Scratch
IMPORTANT before enrolling:This course is not intended to replace studying any official vendor material for certification exams, is not endorsed by the certification vendor, and you will not be getting the official certi...
$19.99listed price -
5
Udemy CertificateSQL problem solving for interviews
Unlock the power of SQL and elevate your career with our comprehensive course, "Master SQL Problem Solving." Whether you're preparing for interviews or seeking practical experience to tackle real-world SQL challenges, th...
$19.99listed price -
6
Udemy CertificateSQL Data Analytics with Tableau Data Visualisation
Please note, some of the resources in this course are located on Dropbox or GitHub, hence you will need to use the supplied URL to download files e.g. SoftwareUnlock Your Potential with Advanced SQL Data Analytics Skills...
$199.99listed price -
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7
Udemy CertificateIntroduction to Graph Databases using Neo4J
Graph databases are gaining popularity these days because of their ease of use, simplicity, and agility. As compared to relational or document databases, graph databases are great at expressing real-world data models wit...
$24.99listed price -
8
Udemy CertificateSQL Beginner to Advanced Level - Data Analytics
Learn SQL from the beginning to becoming an expert analyzing data in SQL. This course takes you from having little or no knowledge of SQL to becoming highly proficient querying with SQL.Knowing SQL is highly important if...
$24.99listed price -
9
Udemy MOOC / Non-creditProject Based SQL Course: Code like a SQL Programmer
No more watching other people do SQL with no context or practice problems! This course was designed to give you experience actually working on SQL problems, ensuring that you learn all the skills necessary to prope...
$169.99listed price -
10
Udemy CertificateMongoDB Administration
A quick introduction to NOSQL database.The other NOSQL database in the market are below.MongodbCouchdbRedisCassandraIBM CloudantAmazon DynamoDBRavenDBHbaseAzure CosmosDBMarkLogic ServerRiakDatastaxGoogle Cloud DatastoreA...
$19.99listed price -
11
Udemy CertificateDatabase and SQL for Beginners
This course covers the following topics:What is a DatabaseDBMS and RDBMSRelational Database Terminology - Primary key, Foreign key etc.Structured Query Language (SQL)Types of SQL commands - DDL, DCL, DML and QueryHow to...
$29.99listed price -
12
Udemy CertificateMicrosoft SQL Server For Beginners
In this course you will learn SQL server basic concepts.Microsoft SQL Server 2017 Installation Introduction to databases and its structure Database - How to create database - How to modify database ...
$19.99listed price -
13
Udemy MOOC / Non-creditSQL++ for JSON in Couchbase Masterclass Hands-On
Couchbase is a popular JSON document store used by powerful clients like PayPal, Walmart, Verizon, Cisco, UPS, Equifax etc. Unlike other similar NoSQL products - like MongoDB or CouchDB - in Couchbase you can query the s...
$19.99listed price -
14
Udemy MOOC / Non-creditPractical RDF and SPARQL
You've got the foundations. Now it's time to go deeper.The RDF and SPARQL specifications have a lot more to offer than the essentials — and this course is designed to take you meaningfully further into them. This is the...
$89.99listed price -
15
Coursera MOOC / Non-creditSQL Foundations
Offered by Microsoft
Learn the fundamentals of SQL with Microsoft SQL Server in this introductory course. You'll learn to write basic and intermediate queries to extract and analyze data while understanding relational database concepts. Thro...
$49.00listed price
Best Querying Courses Online compared
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 15 priced courses on this page run from $19.99 to $199.99, with the middle of the range around $24.99 — a spread of $180.00. 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 The University of Michigan — 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 30 August 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.