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 Duration 35 hours

Course Outline

Data Warehousing Essentials

  • Purpose, key components, and structural design of warehouses
  • Data marts, enterprise-level repositories, and lakehouse approaches
  • Core differences between OLTP and OLAP and workload isolation

Dimensional Modeling Techniques

  • Understanding facts, dimensions, and data grain
  • Comparing star and snowflake schema structures
  • Managing Slowly Changing Dimensions and their variations

ETL and ELT Workflows

  • Data extraction methods from OLTP sources and APIs
  • Transformation logic, data cleansing, and conformance standards
  • Loading strategies, orchestration, and handling dependencies

Data Quality and Metadata Oversight

  • Profiling data and establishing validation rules
  • Aligning master and reference data
  • Tracking lineage, maintaining catalogs, and documenting assets

Analytics and System Performance

  • Cube concepts, aggregate creation, and materialized views
  • Optimizing through partitioning, clustering, and indexing
  • Managing workloads, caching strategies, and query refinement

Security and Governance Frameworks

  • Implementing access controls, roles, and row-level security
  • Addressing compliance needs and audit trails
  • Ensuring backup, recovery, and high availability

Contemporary Architectures

  • Cloud-based data warehouses and elastic scaling
  • Ingesting streaming data for near real-time insights
  • Strategies for cost efficiency and performance monitoring

Capstone Project: Source to Star Schema

  • Modeling business processes into factual and dimensional tables
  • Constructing a complete ETL or ELT pipeline
  • Deploying dashboards and verifying metric accuracy

Recap and Future Directions

Requirements

  • Solid grasp of relational databases and SQL
  • Practical experience in data analysis or reporting
  • Familiarity with cloud-based or on-premises data infrastructures

Target Learners

  • Data analysts moving into warehousing roles
  • BI developers and ETL specialists
  • Data architects and technical team leads

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