Prepstellar

Courses

Certifications and courses

16 courses · 586 lessons · 5,860 practice questions

The first fifth of every course is free to read here, lesson by lesson, with the practice questions that go with it.

AWS · AIF-C01 AWS Certified AI Practitioner Foundational AI and generative AI concepts, responsible AI, and AWS AI services. 53 lessons AWS · SAA-C03 AWS Certified Solutions Architect – Associate Designing secure, resilient, high-performing, and cost-optimized architectures on AWS. 47 lessons Data Data Analysis Fundamentals Loading, cleaning, transforming, and visualizing data for exploratory analysis. 31 lessons Data Data Engineering Fundamentals Distributed processing, Spark SQL, streaming, and workflow orchestration. 27 lessons Databricks · DEA-C01 Databricks Certified Data Engineer Associate Building and governing data pipelines on the Databricks Lakehouse Platform. 37 lessons Microsoft · DP-750 Implementing Data Engineering Solutions Using Microsoft Azure Databricks Configuring Azure Databricks, governing Unity Catalog, and building data pipelines. 59 lessons Microsoft · AZ-104 Microsoft Azure Administrator Identity, storage, compute, networking, and monitoring for a production Azure environment. 39 lessons Microsoft · DP-900 Microsoft Azure Data Fundamentals Core data concepts, relational and non-relational data, and analytics workloads on Azure. 23 lessons Microsoft · AZ-900 Microsoft Azure Fundamentals Cloud concepts, Azure services, and how the platform is governed. 26 lessons Microsoft · DP-600 Microsoft Fabric Analytics Engineer Associate Preparing data, securing analytics solutions, and building semantic models in Microsoft Fabric. 40 lessons Microsoft · DP-700 Microsoft Fabric Data Engineer Associate Ingesting, transforming, securing, and monitoring analytics solutions in Microsoft Fabric. 47 lessons Microsoft · PL-300 Microsoft Power BI Data Analyst Associate Preparing, modeling, visualizing, and securing data with Power BI. 44 lessons Microsoft · PL-900 Microsoft Power Platform Fundamentals Power Apps, Power Automate, Copilot Studio, and Dataverse across the Power Platform. 20 lessons Python Python Fundamentals Core syntax, data structures, object-oriented Python, and testing. 42 lessons SQL SQL Fundamentals From foundational queries to transactions, indexes, and query plans in PostgreSQL. 37 lessons Snowflake · COF-C03 SnowPro Core Certification Snowflake architecture, account management, data loading, and performance optimization. 14 lessons

The whole course, on your phone

Lessons you can read, audio you can listen to on the way to work, and practice that remembers what you got wrong.