Courses

Start with SUM, COUNT, IF

Build toward Lookups, SUMIFS, dynamic arrays

Start with WHERE and ORDER BY

Build toward JOIN, GROUP BY, window functions

Start with Reading a CSV

Build toward groupby, merge, time series

Start with Targets, splits and baselines

Build toward scikit-learn pipelines, validation and model decisions

Start with Your first visual

Build toward Measures, CALCULATE, Power Query

Start with Columns and rows

Build toward Calculated fields, LOD, dashboards

Start with Formulas and lookups

Build toward FILTER, QUERY, ARRAYFORMULA

Start with Opening a file

Build toward Merge, unpivot, error handling

Start with Worksheets, roles, warehouses

Build toward QUALIFY, JSON, MERGE, time travel

Start with Table paths and cost

Build toward UNNEST, GA4 exports, partitions

Start with Models and refs

Build toward Tests, macros, incremental models

Start with Notebooks and Delta tables

Build toward PySpark, MERGE, pipelines, Unity Catalog

Start with Input files and workflow anchors

Build toward Joins, formulas, reconciliation and reusable workflows

Start with Strings and lists

Build toward Functions, files, algorithms

Start with Python values, references and function calls

Build toward Classes, tested services, caching and async programs

Start with Requirements and estimates

Build toward Caching, sharding, queues, pipelines

Start with Arrays, hashing and two pointers

Build toward Graphs, dynamic programming and data structure design

Start with Types, methods and objects

Build toward Collections, streams, modern Java and concurrent service design

Start with JavaScript values, functions and collections

Build toward Async code, strict types, reusable libraries and projects

Start with Semantic HTML, forms, and accessible CSS layouts

Build toward DOM interactions, React applications, and responsive projects

Start with Paths, files and shell commands

Build toward Pipelines, scripts and server troubleshooting

Start with Working tree, staging and commits

Build toward Branches, conflicts, rebasing and recovery

Start with Images, containers and Dockerfiles

Build toward Compose applications, Kubernetes workloads and incident recovery

Start with Accounts, regions, IAM and S3

Build toward Networks, serverless applications and resilient architectures

Start with Search, worker records and the inbox

Build toward Report Writer, calculated fields and workforce metrics

Start with SAP GUI and Fiori navigation

Build toward Procurement, sales, accounting, workforce reports

Start with Triggers, actions, dynamic content

Build toward Cloud flows, approvals, desktop automation

Start with Capacity, skills and weekly bookings

Build toward Staffing scenarios, hiring pipelines and workforce reports

Start with Navigation, lists and forms

Build toward ITSM, reports, flows and administration

Start with Setup, records and object fields

Build toward Access, Flow Builder, reporting and safe data changes

Start with PMT, NPV and IRR

Build toward DCF, LBO, three statements

Start with Debits and credits

Build toward Statements and close

Start with Case math

Build toward Full cases, slides

Start with Mental math

Build toward Numerical and verbal reasoning