Part 0 — Series Overview: A Complete Guide to Building a Modern Data Warehouse and Lakehouse

Part 0 — Series Overview: Building a Modern Data Warehouse and Lakehouse – SQLYARD
Deep Technical Series — Building a Modern Data Warehouse and Lakehouse

Part 0 — Series Overview: A Complete Guide to Building a Modern Data Warehouse and Lakehouse


You are reading Part 0 — Series Overview. This is the starting point for the full 14-part series. Use the part index below to navigate to any article. Each part is a standalone long-form technical article with working code examples and three workshop tiers (Novice, Intermediate, Advanced).

Modern analytics platforms are no longer simple databases feeding dashboards. Today’s data teams must combine dimensional modeling, cloud warehouses, lake storage, open table formats, scalable pipelines, governance, and performance engineering into a single coherent system. The best platforms blend classical data warehousing principles with modern lakehouse and cloud-native capabilities.

This series teaches you how to build that system from scratch — from your first dimensional model through to a fully governed, production-grade analytics platform. Every concept is taught with working code examples that run on all major platforms. Every part includes three workshop tiers so readers at every skill level can follow along and build real things.

Who this series is for: SQL Developers Data Engineers BI Engineers Data Architects Platform Engineers — anyone building or modernizing an analytical data platform, from first data warehouse through to enterprise lakehouse.

The Complete Series — Parts 0 Through 14

The series is structured so each part builds on the previous one — but every article is also a standalone reference you can read independently. Parts 1 through 6 establish the foundation. Parts 7 and 8 implement the physical platforms. Parts 9 through 13 add the operational layers. Part 14 assembles everything into a complete end-to-end project.

PART 0
Series Overview — You Are Here What the series covers, who it is for, what you will build, and how to navigate
PART 1
Dimensional Modeling and Warehouse Design Kimball principles, fact and dimension tables, grain, SCD Type 2, surrogate keys, bus matrix, full SQL examples
PART 2
Choosing the Architecture: Warehouse, Lake, or Lakehouse Snowflake vs Fabric vs Databricks vs BigQuery vs Synapse vs Redshift — decision framework, hybrid patterns, when each fits
PART 3
Building the Data Lake: Bronze, Silver, and Gold Architecture Medallion design, folder structure, Parquet vs Delta vs Iceberg, partitioning, compaction, ingestion examples across all platforms
PART 4
Ingesting Data: Fivetran, Airbyte, Snowpipe, Autoloader, Glue, ADF, and CDC Batch, incremental, and CDC ingestion patterns, all major tools, schema drift handling, medallion mapping
PART 5
Transformations Part 1: ELT Strategy, dbt Modeling, and SQL Pipelines ELT vs ETL, dbt staging and incremental models, MERGE patterns across Snowflake, Fabric, BigQuery, JSON flattening, surrogate keys
PART 6
Transformations Part 2: SCD Types, Fact Loading, Spark, and Merge Optimization SCD Type 1 and Type 2 in depth, Spark Delta MERGE, fact grain enforcement, late-arriving dimensions, audit patterns
PART 7
Implementing the Warehouse: Snowflake, Fabric, BigQuery, Synapse, and Redshift Physical warehouse design, clustering, partitions, distribution keys, columnstore vs rowstore, pricing models, scalability patterns
PART 8
Implementing the Lakehouse: Fabric, Databricks, and AWS Delta Lake ACID, Iceberg table design, SQL endpoint modeling, Unity Catalog, OneLake, multi-cloud lakehouse patterns
PART 9
Designing the Semantic Layer and Metrics Layer Power BI semantic models, LookML, dbt Metrics, Databricks SQL, Snowflake dynamic tables, RLS, metric governance
PART 10
Orchestration and Automation Airflow, Fabric Pipelines, dbt Cloud, Databricks Workflows, ADF, Glue Workflows, Step Functions, Cloud Composer, DAG patterns
PART 11
Data Quality, Testing, Validation, and Observability dbt tests, Great Expectations, Soda, Monte Carlo, quality gates, freshness, anomaly detection, observability pipelines
PART 12
Performance Engineering and Optimization Partitioning, clustering, Z-order, compaction, materialized views, warehouse sizing, query optimization, cost engineering
PART 13
Security, Governance, Lineage, and Compliance RBAC, RLS, CLS, data masking, lineage tracking, PII classification, compliance frameworks (GDPR, HIPAA, SOC 2), Unity Catalog, Purview
PART 14
Full End-to-End Project and Architecture Blueprint Complete enterprise-grade build from ingestion to BI dashboard — Bronze/Silver/Gold, dimensional warehouse, CDC, dbt, semantic model, governance, observability

What You Will Build in This Series

By the end of Part 14 you will have built — from scratch — a complete, production-grade analytics platform. Here is exactly what that includes:

Dimensional Cloud Data Warehouse

Kimball-designed star schema with conformed dimensions, SCD Type 2, fact tables, grain definitions, and surrogate keys. Implemented across Snowflake, Fabric, BigQuery, and Redshift.

Multi-Zone Data Lake (Medallion)

Bronze, Silver, and Gold layers in Delta Lake (Databricks, Fabric), Iceberg (Snowflake, AWS, BigQuery), and Parquet. Production folder structure, partitioning, and compaction.

Automated Ingestion Pipelines

Fivetran, Airbyte, Snowpipe, Databricks Autoloader, AWS Glue, Azure Data Factory, BigQuery Transfer Service, and AWS DMS for CDC. All patterns including batch, incremental, and streaming.

Transformation Layer

dbt Core staging, incremental, and mart models. SQL MERGE patterns for Snowflake, Fabric, BigQuery. PySpark transformations for Databricks and AWS Glue.

Full Lakehouse Implementation

Delta Lake with ACID transactions, Iceberg table design, Fabric Lakehouse SQL endpoint, Databricks Unity Catalog, and OneLake. Multi-cloud patterns covered.

Semantic Layer and BI

Power BI semantic models with DAX, Looker LookML, dbt Metrics with MetricFlow, Databricks SQL views. Direct Lake, Import, and DirectQuery patterns explained.

Governance and Security

Microsoft Purview, Databricks Unity Catalog, AWS Lake Formation. RBAC, RLS, CLS, data masking, PII tagging, lineage, audit logging, and compliance frameworks.

Performance Engineering

Snowflake clustering, BigQuery partitioning, Databricks Z-ordering, Fabric Warehouse indexes, Delta file compaction, materialized views, warehouse sizing, cost optimization.

The End-to-End Architecture

Every part of this series maps to one or more layers in the architecture below. The medallion pattern — Bronze, Silver, Gold — is the universal structure that works across every platform covered. Whether you implement it in Databricks, Fabric, Snowflake, or BigQuery, the layers and their responsibilities are the same.

+———————————————————-+ | SOURCE SYSTEMS | | SaaS Apps · Databases · APIs · Files · Events · Logs | +——————————+—————————+ | Fivetran · Airbyte · ADF · Glue · Snowpipe · DMS | v +———————————————————-+ | BRONZE | | Raw · Immutable · Append-Only · Full Schema Preserved | | Parquet / Delta / Iceberg / JSON / CSV | +——————————+—————————+ | dbt Staging · Spark · SQL Pipelines | v +———————————————————-+ | SILVER | | Cleaned · Typed · Deduped · Conformed · Flattened | | Delta Lake / Iceberg / Parquet | +——————————+—————————+ | dbt Core · Spark SQL · Warehouse SQL | v +———————————————————-+ | GOLD | | Dimensional Models · SCD Type 2 · Facts · Surrogate Keys| | Conformed Dimensions · Business Logic | +——————————+—————————+ | Power BI · LookML · dbt Metrics · Databricks SQL | v +———————————————————-+ | SEMANTIC LAYER | | Measures · Metrics · RLS · Hierarchies · Governance | +——————————+—————————+ | v +———————————————————-+ | BI / ANALYTICS / DATA SCIENCE / AI | | Power BI · Looker · Tableau · Notebooks · ML · RAG | +———————————————————-+ Supporting layers (run across all zones): Orchestration: Airflow · Fabric Pipelines · Databricks Workflows · dbt Cloud Quality: dbt tests · Great Expectations · Soda · Monte Carlo Governance: Unity Catalog · Microsoft Purview · Lake Formation Performance: Partitioning · Z-Order · Compaction · Materialized Views

The Tools Covered in This Series

Every step in this series works across all major platforms. Examples are given for each platform so you can follow along regardless of which cloud or warehouse you use.

Warehouses and Lakehouses

Snowflake
Microsoft Fabric
Databricks
Google BigQuery
Azure Synapse
Amazon Redshift

Storage Formats and Table Layers

Delta Lake
Apache Iceberg
Apache Parquet
OneLake
ADLS Gen2
Amazon S3

Ingestion and Pipelines

Fivetran
Airbyte
Snowpipe
Auto Loader
AWS Glue
Azure Data Factory
Fabric Pipelines
BigQuery Transfer
AWS DMS

Transformations and Modeling

dbt Core
dbt Cloud
Apache Spark
PySpark
Snowflake SQL
BigQuery SQL

BI and Semantic Layers

Power BI
Looker / LookML
Tableau
dbt Metrics
Databricks SQL
Cube.dev

Orchestration, Quality, and Governance

Apache Airflow
dbt Cloud Jobs
Great Expectations
Soda
Monte Carlo
Unity Catalog
Microsoft Purview
AWS Lake Formation
Collibra / Alation

Why This Approach — Key Principles of the Series

Every architectural decision in this series follows the same set of principles. Understanding these principles helps you adapt the patterns to your own environment rather than copying them blindly.

PrincipleWhy It Matters
ELT over ETLModern warehouses and lakehouses handle heavy transforms efficiently. Push computation to the engine closest to the data.
Medallion architecture is universalBronze → Silver → Gold works on every platform. It unlocks reliability, readability, governance, and flexibility regardless of the tool.
Dimensional modeling still mattersEven in lakehouses and ML systems, a clean dimensional model makes analytics faster, more consistent, and easier to govern.
The semantic layer owns the metricsBusiness logic must not live in dashboards. Define KPIs once in the semantic layer and reuse them everywhere.
Data quality must be automatedManual validation does not scale. Quality gates block bad data before it reaches Gold.
Governance is not optionalSecurity, masking, lineage, and auditing form the backbone of organizational trust in data.
Performance engineering is deliberatePartitioning, compaction, and clustering decisions made at design time prevent expensive rewrites later.
Orchestration is the glueEvery pipeline fails without reliable scheduling, dependency management, and automated recovery.

How Workshops Work in This Series

Every part includes three workshop tiers. Each tier is a hands-on exercise that applies the concepts from that part. You can start at any tier — the novice workshop teaches the same concepts as the advanced, just with more guidance and a simpler scope.

Novice

Guided hands-on basics. Focused scope. Step-by-step instructions with expected output at each step. Designed for someone building this concept for the first time.

Intermediate

Real transformation or architecture patterns. Assumes comfort with SQL and basic platform knowledge. Introduces incremental logic, CDC patterns, or multi-table designs.

Advanced

Performance tuning, CDC, governance, or lakehouse patterns at production scale. Mirrors what top-tier enterprises deploy. Designed for senior engineers and architects.

Recommended Reading Order

If you are new to data warehousing, start at Part 1 and read in order through Part 6. These parts build the conceptual and technical foundation that everything else depends on. Parts 7 and 8 are where you pick your platform and implement the physical system. Parts 9 through 13 add the operational layers. Part 14 is the capstone project that ties everything together.

If you are an experienced data engineer looking for specific reference material, every part is designed as a standalone article. Jump directly to the part most relevant to your current problem. The series index at the top of every article links back to this page so you can always find related content.

Platform coverage: This series covers Snowflake, Microsoft Fabric, Databricks, Google BigQuery, Azure Synapse, and Amazon Redshift. Code examples are provided for each platform where the implementation differs. You do not need access to all platforms — follow the examples for the platform you use and the concepts transfer directly.

References


Discover more from SQLYARD

Subscribe to get the latest posts sent to your email.

Leave a Reply

Discover more from SQLYARD

Subscribe now to keep reading and get access to the full archive.

Continue reading