Learning path
Databricks learning path: everything to study, topic by topic
Comprehensive Databricks assessment covering lakehouse fundamentals, Apache Spark and PySpark, Delta Lake and Unity Catalog, SQL and analytics, ML and feature engineering, and cluster management and operations.
Short answer
To learn Databricks, work through 6 modules and 28 topics in the order they build on each other. It starts with Lakehouse Fundamentals, then moves on to Spark & PySpark and Delta Lake & Unity Catalog. Use the map as a checklist, or measure your level and study only what is missing.
What you will study
Topics are grouped by module. Open one to see its objectives and key concepts.
1 · Lakehouse Fundamentals4 topics
Lakehouse Architecture
Databricks lakehouse concept, combining data warehouse and data lake, benefits over traditional architectures, and core principles
Objectives
- Explain the lakehouse architecture and its advantages
- Compare lakehouse with traditional data warehouse and data lake approaches
Key concepts
- lakehouse paradigm
- data lake vs warehouse
- unified analytics
- ACID transactions
- schema enforcement
Databricks Workspace Setup
Workspace organization, clusters, notebooks, jobs, and workspace administration
Objectives
- Navigate and configure a Databricks workspace
- Create and manage notebooks and jobs
Key concepts
- workspace hierarchy
- notebooks
- clusters
- jobs
- workspace management
- permissions
Data Governance
Data quality, metadata management, data lineage, and governance best practices
Objectives
- Implement data governance patterns in Databricks
- Track data lineage and quality metrics
Key concepts
- data quality
- metadata management
- data lineage
- PII handling
- retention policies
Medallion Architecture
Bronze-Silver-Gold layers, medallion medallion pattern, data transformation flow, and quality gates between layers
Objectives
- Design a medallion architecture for data processing
- Define transformation logic for each layer
Key concepts
- bronze layer
- silver layer
- gold layer
- data transformation
- quality gates
- ELT pipelines
2 · Spark & PySpark5 topics
Apache Spark Core Concepts
RDDs, partitions, executors, drivers, DAGs, lazy evaluation, and distributed computing principles
Objectives
- Explain Spark's distributed computing model
- Understand RDDs and partitioning
Key concepts
- RDD
- partitions
- executor
- driver
- DAG
- lazy evaluation
- shuffle
PySpark Fundamentals
PySpark API, session initialization, creating RDDs and DataFrames, transformations, and actions
Objectives
- Write basic PySpark scripts
- Understand the difference between transformations and actions
Key concepts
- SparkSession
- RDD creation
- DataFrame creation
- transformations
- actions
- PySpark context
DataFrame API & Operations
DataFrame schema, column operations, filtering, selecting, grouping, and window functions
Objectives
- Perform complex DataFrame operations
- Use window functions for advanced analytics
Key concepts
- schema
- column operations
- filtering
- select
- groupBy
- aggregation
- window functions
Spark SQL & Catalyst Optimizer
Registering temporary views, writing SQL on DataFrames, Catalyst query optimization, and execution plans
Objectives
- Write Spark SQL queries on DataFrames
- Understand query optimization via Catalyst
Key concepts
- temporary view
- table registration
- SQL queries
- Catalyst optimizer
- execution plan
- query optimization
Spark Performance & Tuning
Partitioning strategies, shuffle optimization, memory management, caching, and broadcast variables
Objectives
- Optimize Spark job performance
- Manage memory and reduce shuffle operations
Key concepts
- partitioning
- shuffle optimization
- memory management
- caching
- broadcast variables
- spillover
3 · Delta Lake & Unity Catalog5 topics
Delta Lake Fundamentals
ACID transactions, schema enforcement, time travel, versioning, and Delta table properties
Objectives
- Create and manage Delta tables
- Leverage ACID guarantees in ETL workflows
Key concepts
- ACID properties
- schema enforcement
- time travel
- versioning
- transaction log
- schema evolution
Delta Lake Optimization
OPTIMIZE command, Z-order clustering, vacuum, compaction, and performance tuning
Objectives
- Optimize Delta table performance
- Implement efficient compaction strategies
Key concepts
- OPTIMIZE
- Z-order
- clustering
- vacuum
- compaction
- file pruning
Delta Sharing
Sharing Delta tables with external partners, share recipients, and cross-workspace collaboration
Objectives
- Set up Delta sharing for external collaborators
- Manage access control for shared tables
Key concepts
- Delta sharing
- share recipients
- cross-workspace sharing
- partner collaboration
- access control
Unity Catalog
Unified data governance, metastore, catalogs, schemas, table management, and access control
Objectives
- Organize data using Unity Catalog structure
- Implement unified governance across workspaces
Key concepts
- metastore
- catalog
- schema
- table management
- access control
- lineage tracking
Governance Policies & Access Control
Data access policies, row-level security, column-level masking, audit logging, and compliance enforcement
Objectives
- Implement fine-grained access control policies
- Ensure compliance through audit and masking
Key concepts
- access policies
- row-level security
- column masking
- audit logging
- compliance
- RBAC
4 · SQL & Analytics5 topics
SQL Fundamentals
SELECT, WHERE, ORDER BY, LIMIT, GROUP BY basics, and single-table queries
Objectives
- Write basic SQL queries
- Filter and sort data effectively
Key concepts
- SELECT
- WHERE
- ORDER BY
- LIMIT
- GROUP BY
- HAVING
- filtering
SQL Joins & Multi-Table Queries
INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN, CROSS JOIN, and join optimization
Objectives
- Write complex multi-table queries using joins
- Optimize join operations for performance
Key concepts
- INNER JOIN
- LEFT JOIN
- RIGHT JOIN
- FULL OUTER JOIN
- CROSS JOIN
- join conditions
- join optimization
SQL Aggregations & Analytics
Aggregate functions, GROUP BY, HAVING, window functions, CTEs, and analytical queries
Objectives
- Use aggregate functions and window functions
- Write advanced analytical queries
Key concepts
- SUM, AVG, COUNT, MIN, MAX
- GROUP BY
- HAVING
- window functions
- CTEs
- PARTITION BY
- ROW_NUMBER
Dashboards & Reporting
Creating visualizations in Databricks SQL, dashboard design, KPI tracking, and reporting best practices
Objectives
- Design effective dashboards and reports
- Create automated reporting pipelines
Key concepts
- SQL dashboard
- visualization
- KPI
- alerting
- data storytelling
- report automation
Query Optimization & Performance
Query plans, indexing strategies, statistics, table statistics, and SQL performance tuning
Objectives
- Analyze and optimize slow-running queries
- Use statistics to improve query performance
Key concepts
- execution plan
- query optimization
- statistics
- indexing
- hints
- bottleneck identification
5 · ML & Feature Engineering5 topics
ML Fundamentals
Supervised vs unsupervised learning, training and test splits, cross-validation, and evaluation metrics
Objectives
- Understand core ML concepts
- Evaluate model performance correctly
Key concepts
- supervised learning
- unsupervised learning
- train-test split
- cross-validation
- evaluation metrics
- overfitting
Feature Store
Feature engineering, feature store architecture, feature management, serving, and time-series features
Objectives
- Design a feature store for ML workflows
- Manage features consistently across training and serving
Key concepts
- feature engineering
- feature store
- online store
- offline store
- feature registry
- feature serving
Model Training at Scale
Distributed model training, hyperparameter tuning, Spark ML pipelines, and parallel training strategies
Objectives
- Train models at scale using Spark ML
- Perform hyperparameter tuning efficiently
Key concepts
- Spark ML
- pipeline
- hyperparameter tuning
- distributed training
- GridSearchCV
- RandomSearchCV
MLflow & Model Management
MLflow tracking, logging, model registry, versioning, and model promotion workflow
Objectives
- Set up MLflow for experiment tracking
- Manage model lifecycle using model registry
Key concepts
- MLflow
- experiment tracking
- model logging
- model registry
- versioning
- stage transitions
Model Deployment & Serving
Model serving infrastructure, batch predictions, real-time endpoints, A/B testing, and monitoring in production
Objectives
- Deploy models for batch and real-time inference
- Monitor model performance in production
Key concepts
- batch inference
- real-time serving
- model endpoints
- A/B testing
- monitoring
- drift detection
6 · Cluster Management & Operations4 topics
Cluster Configuration
Cluster types, node types, worker sizing, driver configuration, and initialization scripts
Objectives
- Configure clusters for specific workloads
- Select appropriate node types and sizes
Key concepts
- cluster type
- node type
- auto-scaling
- driver sizing
- worker configuration
- initialization scripts
Cluster Optimization & Cost Management
Right-sizing clusters, auto-scaling policies, spot instances, cost optimization, and resource pooling
Objectives
- Optimize cluster costs while maintaining performance
- Implement effective auto-scaling policies
Key concepts
- auto-scaling
- spot instances
- cost optimization
- resource allocation
- pooling
- scaling policies
Monitoring & Troubleshooting
Cluster metrics, job monitoring, logs analysis, debugging techniques, and alert setup
Objectives
- Monitor cluster health and job performance
- Debug and troubleshoot issues effectively
Key concepts
- cluster metrics
- job monitoring
- logs
- debugging
- alerting
- event logs
Production Operations & Best Practices
Production workload management, high availability, disaster recovery, security hardening, and operational excellence
Objectives
- Design and manage production Databricks environments
- Implement HA/DR and security best practices
Key concepts
- HA/DR
- disaster recovery
- security hardening
- SLA management
- backup strategies
- operational excellence
Levels: Junior, Mid, Senior, and Expert
Explain it in your own words
Graded by AI · no account · 1 questionNo options to guess from: you write, the AI grades against the topic's rubric and tells you what level your answer reads at.
Already studying Databricks?
The assessment measures topic by topic, and your plan skips what you already know.
Open to read. An account is only needed to be measured.
Frequently asked questions
Where should I start studying Databricks?
Start with Lakehouse Fundamentals: Lakehouse Architecture, Databricks Workspace Setup, and Data Governance. The map orders topics by what they depend on, so each one prepares the next.
How long does a full Databricks assessment take?
A full assessment of this path takes about 50 minutes. Study time depends on where you start; a diagnostic shows which topics you can skip.
Do I need an account to use this page?
No. The map, objectives and key concepts are open. You only need an account to be measured, get your gap by topic and receive a plan.