Courses
Certifications and courses
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
Data
Statistics for Data Analysis
Describing data, quantifying uncertainty, comparing groups, and modeling relationships.
28 lessons
Databricks · Data Engineer Associate
Databricks Certified Data Engineer Associate
Building and governing data pipelines on the Databricks Lakehouse Platform.
37 lessons
Interview Prep
Data Analyst Interview Prep
SQL under time pressure, experiments, metrics, business cases, and the take-home.
9 lessons
Interview Prep
Data Engineer Interview Prep
Advanced SQL, data modeling, pipelines, reliability, and data-system design.
9 lessons
Microsoft · AI-103
Developing AI Apps and Agents on Azure
Building generative AI apps, agents, and multimodal solutions with Microsoft Foundry.
68 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.
85 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.
29 lessons
Snowflake · COF-C03
SnowPro Core Certification
Snowflake architecture, account management, data loading, and performance optimization.
33 lessons
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