Free online
Learn Data Aggregation online: university courses, full YouTube courses, and courses with free certificates, from the IITs, MIT, Harvard, Google, Microsoft and more.
IBM
This course introduces you to the fundamentals of NoSQL, including the four key non-relational database categories. By the end of the course you will have hands-on skills for working with MongoDB, Cassandra and IBM Cloudant NoSQL databases.
Microsoft
Analyze data in PostgreSQL with aggregate functions and grouping. Learn COUNT, SUM, AVG, and filter results using GROUP BY and HAVING.
Coursera
In this 2-hour long project-based course, you will learn how to retrieve data from tables in a database using SQL SELECT statement with SQL Aggregate functions. The aggregate functions we will consider in this project are COUNT, SUM, MIN, MAX and AVG. Aggregate functions are used to summarize data…
SkillUp EdTech LLC
Build essential skills in data integration, storage, and migration. Learn best practices for integrating data, organizing storage, and migrating legacy systems with minimal disruption—key skills for building a data-focused career.
CodeSignal
Prepare for advanced coding interviews by applying efficient algorithms, complex data structures, and structured problem-solving techniques in Go.
Coursera
Master the critical transition from raw data chaos to analytical clarity. This course transforms your ability to navigate the complex landscape of SQL dialects while building powerful data aggregation skills that turn millions of event records into actionable insights. You'll discover how subtle sy…
Packt
This course features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Elevate your data analysis expertise by mastering aggregation techniques…
Packt
Master High-Performance Data Analysis with Polars
