--- title: "Data Modeling — Techniques & Tutorials | OWOX Blog" canonical: "https://www.owox.com/blog/topics/data-modeling" updated: "2026-10-26" --- # Data Modeling 50 articles · 2 guides [Article · Data Modeling · Is the Medallion Architecture Worth Its Complexity? Count Decisions, Not Layers · Oct 26, 2026](/blog/articles/medallion-architecture-worth-it) [Article · Data Modeling · 8 mistakes in data modeling and how to avoid them · Oct 26, 2026](/blog/articles/mistakes-in-data-modeling) [Article · Data Modeling · What is data modeling? The full guide · Oct 26, 2026](/blog/articles/what-is-data-modeling) [Article · Data Modeling · What is Apache Ossie? The Open Standard for Semantic Models, Explained · Oct 19, 2026](/blog/articles/apache-ossie) [Article · Data Modeling · OKF vs Apache Ossie: Which Format Should Describe Your Data Model? · Oct 19, 2026](/blog/articles/okf-vs-apache-ossie) [Article · Data Modeling · How to Read an Apache Ossie Model: From YAML File to Diagram · Oct 19, 2026](/blog/articles/read-apache-ossie-model) [Article · Data Modeling · Clinic Network Data Model: Tables, Keys and One Definition per Metric · Oct 11, 2026](/blog/articles/clinic-network-data-model) [Article · Data Modeling · Subscription E-Commerce Data Model: Tables, Keys and One Definition per Metric · Oct 11, 2026](/blog/articles/ecommerce-subscription-data-model) [Article · Data Modeling · Marketing Analytics Data Model: What to Ask Your Analyst for · Oct 11, 2026](/blog/articles/marketing-analytics-data-model) [Article · Data Modeling · The FP&A Data Model: The Tables and Keys Behind Actuals, Budget and Forecast · Oct 10, 2026](/blog/articles/fpa-data-model) [Article · Data Modeling · Do You Need a Semantic Layer? Data Model vs Data Mart vs the Layer · Oct 10, 2026](/blog/articles/semantic-layer-vs-data-marts) [Article · Data Modeling · Business reporting: the OWOX approach to Data Marts · Oct 7, 2026](/blog/articles/business-reporting-with-data-marts) [Article · Data Modeling · Conceptual data modeling explained: definition and four examples · Oct 7, 2026](/blog/articles/conceptual-data-modeling-with-examples) [Article · Data Modeling · Top 10 free database diagram design tools · Oct 7, 2026](/blog/articles/database-diagram-design-tools) [Article · Data Modeling · Why your GA4 export to BigQuery needs a data model, and how to build it · Oct 7, 2026](/blog/articles/ga4-export-bigquery-data-modeling) [Article · Data Modeling · Logical vs physical data models: the main differences explained · Oct 7, 2026](/blog/articles/logical-vs-physical-data-models) [Article · Data Modeling · How to normalize ad spend across currencies in Google Sheets · Oct 7, 2026](/blog/articles/normalize-ad-spend-currencies-google-sheets) [Article · Data Modeling · Object-oriented data models: definition, example, pros and cons · Oct 7, 2026](/blog/articles/object-oriented-data-models) [Article · Data Modeling · What is a semantic data model? · Oct 7, 2026](/blog/articles/semantic-data-models) [Article · Data Modeling · Snowflake schema in data modeling: definition, diagram and example · Oct 7, 2026](/blog/articles/snowflake-schema-data-modeling) [Article · Data Modeling · Understanding star schema: definition, diagram and a SQL example · Oct 7, 2026](/blog/articles/star-schema-explained) [Article · Data Modeling · Types of data models and data modeling techniques in DBMS · Oct 7, 2026](/blog/articles/types-of-data-models-and-benefits) [Article · Data Modeling · Forex & CFD Broker Data Model: Free Template · Aug 14, 2026](/blog/articles/forex-broker-data-model) [Article · Data Modeling · Best data modeling tools in 2026 · Jul 21, 2026](/blog/articles/best-data-modeling-tools) [Article · Data Modeling · Best free ERD tools in 2026 · Jul 10, 2026](/blog/articles/best-free-erd-tools) [Article · Data Modeling · OKF vs dbt exposures vs LookML: How to describe a data model · Jul 10, 2026](/blog/articles/okf-vs-dbt-exposures-vs-lookml) [Article · Data Modeling · OWOX Model Canvas vs dbdiagram.io: ERD tools compared · Jul 10, 2026](/blog/articles/owox-model-canvas-vs-dbdiagram) [Article · Data Modeling · OWOX Model Canvas vs DrawSQL: ERD tools compared · Jul 10, 2026](/blog/articles/owox-model-canvas-vs-drawsql) [Article · Data Modeling · OWOX Model Canvas vs Lucidchart for ERDs · Jul 10, 2026](/blog/articles/owox-model-canvas-vs-lucidchart-erd) [Article · Data Modeling · Bitcoin data model: the public BigQuery dataset, visualized · Jul 9, 2026](/blog/articles/bitcoin-data-model) [Article · Data Modeling · E-commerce data model: a free template to open and edit · Jul 9, 2026](/blog/articles/ecommerce-data-model) [Article · Data Modeling · Fintech data model: a free neobank & lending template · Jul 9, 2026](/blog/articles/fintech-data-model) [Article · Data Modeling · Healthcare Data Model: Free Analytics Template · Jul 9, 2026](/blog/articles/healthcare-data-model) [Article · Data Modeling · Marketing data model: a free lead-gen funnel template · Jul 9, 2026](/blog/articles/marketing-data-model) [Article · Data Modeling · Marketplace data model: a free two-sided template · Jul 9, 2026](/blog/articles/marketplace-data-model) [Article · Data Modeling · Mobile game data model: a free analytics template · Jul 9, 2026](/blog/articles/mobile-game-data-model) [Article · Data Modeling · Stack Overflow data model: the public BigQuery dataset · Jul 9, 2026](/blog/articles/stack-overflow-data-model) [Article · Data Modeling · Free data model templates: open, edit, and export OKF · Jul 6, 2026](/blog/articles/data-model-templates) [Article · Data Modeling · The OKF ecosystem: Every open-source tool for Google's Open Knowledge Format · Jul 6, 2026](/blog/articles/okf-ecosystem-tools) [Article · Data Modeling · SaaS data model: a free subscription analytics template · Jul 6, 2026](/blog/articles/saas-data-model) [Article · Data Modeling · What is OKF (Open Knowledge Format)? Google's new data standard, explained · Jun 25, 2026](/blog/articles/open-knowledge-format-okf) [Article · Data Modeling · Data Mart design: structuring flat tables · Jun 17, 2026](/blog/articles/optimal-data-mart-design-flat-tables) [Article · Data Modeling · The three types of fact tables · Mar 23, 2026](/blog/articles/types-of-fact-tables) [Article · Data Modeling · Governed metrics without a full semantic layer: Mastering output schemas · Mar 13, 2026](/blog/articles/metrics-definitions-without-semantic-layer) [Article · Data Modeling · Why every SaaS product team needs a data model · Apr 28, 2025](/blog/articles/why-saas-product-teams-need-data-model) [Article · Data Modeling · Dimensional data modeling: concepts, techniques and best practices · Mar 26, 2025](/blog/articles/dimensional-data-modeling) [Article · Data Modeling · Star schema vs snowflake schema: 10 key differences · Mar 19, 2025](/blog/articles/star-snowflake-schema-differences) [Article · Data Modeling · Key benefits of data modeling for business reporting · Mar 3, 2025](/blog/articles/benefits-of-data-modeling) [Article · Data Modeling · The beginner's guide to data transformation · Sep 27, 2023](/blog/articles/data-transformation-basics) [Article · Data Modeling · Data aggregation techniques for effective data analysis · Jul 22, 2023](/blog/articles/data-aggregation-techniques-for-effective-data-analysis) ## Guides * [The Beginner's Guide to Transformation in ETL Process](/guides/data-transformation-guide) * [Omnichannel Retailer Data Model](/guides/omnichannel-retailer-data-model) ## Book a call You are booked. The invitation is on its way to , with the calendar invite and the meeting link. [Reschedule](#) [Cancel](#) ## Schedule a meeting ## Schedule in person meeting at Tip Top Toronto You are booked. The invitation is on its way to , with the calendar invite and the meeting link. [Reschedule](#) [Cancel](#) ## Links Pages this page links to, on this site and on docs.owox.com. Where the page has a Markdown twin, its address follows the link. - [Article · Data Modeling · Is the Medallion Architecture Worth Its Complexity? Count Decisions, Not…](https://www.owox.com/blog/articles/medallion-architecture-worth-it) — /blog/articles/medallion-architecture-worth-it.md - [Article · Data Modeling · 8 mistakes in data modeling and how to avoid them · Oct 26, 2026](https://www.owox.com/blog/articles/mistakes-in-data-modeling) — /blog/articles/mistakes-in-data-modeling.md - [Article · Data Modeling · What is data modeling? The full guide · Oct 26, 2026](https://www.owox.com/blog/articles/what-is-data-modeling) — /blog/articles/what-is-data-modeling.md - [Article · Data Modeling · What is Apache Ossie? The Open Standard for Semantic Models, Explained ·…](https://www.owox.com/blog/articles/apache-ossie) — /blog/articles/apache-ossie.md - [Article · Data Modeling · OKF vs Apache Ossie: Which Format Should Describe Your Data Model? · Oct…](https://www.owox.com/blog/articles/okf-vs-apache-ossie) — /blog/articles/okf-vs-apache-ossie.md - [Article · Data Modeling · How to Read an Apache Ossie Model: From YAML File to Diagram · Oct 19,…](https://www.owox.com/blog/articles/read-apache-ossie-model) — /blog/articles/read-apache-ossie-model.md - [Article · Data Modeling · Clinic Network Data Model: Tables, Keys and One Definition per Metric ·…](https://www.owox.com/blog/articles/clinic-network-data-model) — /blog/articles/clinic-network-data-model.md - [Article · Data Modeling · Subscription E-Commerce Data Model: Tables, Keys and One Definition per…](https://www.owox.com/blog/articles/ecommerce-subscription-data-model) — /blog/articles/ecommerce-subscription-data-model.md - [Article · Data Modeling · Marketing Analytics Data Model: What to Ask Your Analyst for · Oct 11,…](https://www.owox.com/blog/articles/marketing-analytics-data-model) — /blog/articles/marketing-analytics-data-model.md - [Article · Data Modeling · The FP&A Data Model: The Tables and Keys Behind Actuals, Budget and…](https://www.owox.com/blog/articles/fpa-data-model) — /blog/articles/fpa-data-model.md - [Article · Data Modeling · Do You Need a Semantic Layer? Data Model vs Data Mart vs the Layer · Oct…](https://www.owox.com/blog/articles/semantic-layer-vs-data-marts) — /blog/articles/semantic-layer-vs-data-marts.md - [Article · Data Modeling · Business reporting: the OWOX approach to Data Marts · Oct 7, 2026](https://www.owox.com/blog/articles/business-reporting-with-data-marts) — /blog/articles/business-reporting-with-data-marts.md - [Article · Data Modeling · Conceptual data modeling explained: definition and four examples · Oct 7,…](https://www.owox.com/blog/articles/conceptual-data-modeling-with-examples) — /blog/articles/conceptual-data-modeling-with-examples.md - [Article · Data Modeling · Top 10 free database diagram design tools · Oct 7, 2026](https://www.owox.com/blog/articles/database-diagram-design-tools) — /blog/articles/database-diagram-design-tools.md - [Article · Data Modeling · Why your GA4 export to BigQuery needs a data model, and how to build it ·…](https://www.owox.com/blog/articles/ga4-export-bigquery-data-modeling) — /blog/articles/ga4-export-bigquery-data-modeling.md - [Article · Data Modeling · Logical vs physical data models: the main differences explained · Oct 7,…](https://www.owox.com/blog/articles/logical-vs-physical-data-models) — /blog/articles/logical-vs-physical-data-models.md - [Article · Data Modeling · How to normalize ad spend across currencies in Google Sheets · Oct 7, 2026](https://www.owox.com/blog/articles/normalize-ad-spend-currencies-google-sheets) — /blog/articles/normalize-ad-spend-currencies-google-sheets.md - [Article · Data Modeling · Object-oriented data models: definition, example, pros and cons · Oct 7,…](https://www.owox.com/blog/articles/object-oriented-data-models) — /blog/articles/object-oriented-data-models.md - [Article · Data Modeling · What is a semantic data model? · Oct 7, 2026](https://www.owox.com/blog/articles/semantic-data-models) — /blog/articles/semantic-data-models.md - [Article · Data Modeling · Snowflake schema in data modeling: definition, diagram and example · Oct…](https://www.owox.com/blog/articles/snowflake-schema-data-modeling) — /blog/articles/snowflake-schema-data-modeling.md - [Article · Data Modeling · Understanding star schema: definition, diagram and a SQL example · Oct 7,…](https://www.owox.com/blog/articles/star-schema-explained) — /blog/articles/star-schema-explained.md - [Article · Data Modeling · Types of data models and data modeling techniques in DBMS · Oct 7, 2026](https://www.owox.com/blog/articles/types-of-data-models-and-benefits) — /blog/articles/types-of-data-models-and-benefits.md - [Article · Data Modeling · Forex & CFD Broker Data Model: Free Template · Aug 14, 2026](https://www.owox.com/blog/articles/forex-broker-data-model) — /blog/articles/forex-broker-data-model.md - [Article · Data Modeling · Best data modeling tools in 2026 · Jul 21, 2026](https://www.owox.com/blog/articles/best-data-modeling-tools) — /blog/articles/best-data-modeling-tools.md - [Article · Data Modeling · Best free ERD tools in 2026 · Jul 10, 2026](https://www.owox.com/blog/articles/best-free-erd-tools) — /blog/articles/best-free-erd-tools.md - [Article · Data Modeling · OKF vs dbt exposures vs LookML: How to describe a data model · Jul 10,…](https://www.owox.com/blog/articles/okf-vs-dbt-exposures-vs-lookml) — /blog/articles/okf-vs-dbt-exposures-vs-lookml.md - [Article · Data Modeling · OWOX Model Canvas vs dbdiagram.io: ERD tools compared · Jul 10, 2026](https://www.owox.com/blog/articles/owox-model-canvas-vs-dbdiagram) — /blog/articles/owox-model-canvas-vs-dbdiagram.md - [Article · Data Modeling · OWOX Model Canvas vs DrawSQL: ERD tools compared · Jul 10, 2026](https://www.owox.com/blog/articles/owox-model-canvas-vs-drawsql) — /blog/articles/owox-model-canvas-vs-drawsql.md - [Article · Data Modeling · OWOX Model Canvas vs Lucidchart for ERDs · Jul 10, 2026](https://www.owox.com/blog/articles/owox-model-canvas-vs-lucidchart-erd) — /blog/articles/owox-model-canvas-vs-lucidchart-erd.md - [Article · Data Modeling · Bitcoin data model: the public BigQuery dataset, visualized · Jul 9, 2026](https://www.owox.com/blog/articles/bitcoin-data-model) — /blog/articles/bitcoin-data-model.md - [Article · Data Modeling · E-commerce data model: a free template to open and edit · Jul 9, 2026](https://www.owox.com/blog/articles/ecommerce-data-model) — /blog/articles/ecommerce-data-model.md - [Article · Data Modeling · Fintech data model: a free neobank & lending template · Jul 9, 2026](https://www.owox.com/blog/articles/fintech-data-model) — /blog/articles/fintech-data-model.md - [Article · Data Modeling · Healthcare Data Model: Free Analytics Template · Jul 9, 2026](https://www.owox.com/blog/articles/healthcare-data-model) — /blog/articles/healthcare-data-model.md - [Article · Data Modeling · Marketing data model: a free lead-gen funnel template · Jul 9, 2026](https://www.owox.com/blog/articles/marketing-data-model) — /blog/articles/marketing-data-model.md - [Article · Data Modeling · Marketplace data model: a free two-sided template · Jul 9, 2026](https://www.owox.com/blog/articles/marketplace-data-model) — /blog/articles/marketplace-data-model.md - [Article · Data Modeling · Mobile game data model: a free analytics template · Jul 9, 2026](https://www.owox.com/blog/articles/mobile-game-data-model) — /blog/articles/mobile-game-data-model.md - [Article · Data Modeling · Stack Overflow data model: the public BigQuery dataset · Jul 9, 2026](https://www.owox.com/blog/articles/stack-overflow-data-model) — /blog/articles/stack-overflow-data-model.md - [Article · Data Modeling · Free data model templates: open, edit, and export OKF · Jul 6, 2026](https://www.owox.com/blog/articles/data-model-templates) — /blog/articles/data-model-templates.md - [Article · Data Modeling · The OKF ecosystem: Every open-source tool for Google's Open Knowledge…](https://www.owox.com/blog/articles/okf-ecosystem-tools) — /blog/articles/okf-ecosystem-tools.md - [Article · Data Modeling · SaaS data model: a free subscription analytics template · Jul 6, 2026](https://www.owox.com/blog/articles/saas-data-model) — /blog/articles/saas-data-model.md - [Article · Data Modeling · What is OKF (Open Knowledge Format)? Google's new data standard, explained…](https://www.owox.com/blog/articles/open-knowledge-format-okf) — /blog/articles/open-knowledge-format-okf.md - [Article · Data Modeling · Data Mart design: structuring flat tables · Jun 17, 2026](https://www.owox.com/blog/articles/optimal-data-mart-design-flat-tables) — /blog/articles/optimal-data-mart-design-flat-tables.md - [Article · Data Modeling · The three types of fact tables · Mar 23, 2026](https://www.owox.com/blog/articles/types-of-fact-tables) — /blog/articles/types-of-fact-tables.md - [Article · Data Modeling · Governed metrics without a full semantic layer: Mastering output schemas ·…](https://www.owox.com/blog/articles/metrics-definitions-without-semantic-layer) — /blog/articles/metrics-definitions-without-semantic-layer.md - [Article · Data Modeling · Why every SaaS product team needs a data model · Apr 28, 2025](https://www.owox.com/blog/articles/why-saas-product-teams-need-data-model) — /blog/articles/why-saas-product-teams-need-data-model.md - [Article · Data Modeling · Dimensional data modeling: concepts, techniques and best practices · Mar…](https://www.owox.com/blog/articles/dimensional-data-modeling) — /blog/articles/dimensional-data-modeling.md - [Article · Data Modeling · Star schema vs snowflake schema: 10 key differences · Mar 19, 2025](https://www.owox.com/blog/articles/star-snowflake-schema-differences) — /blog/articles/star-snowflake-schema-differences.md - [Article · Data Modeling · Key benefits of data modeling for business reporting · Mar 3, 2025](https://www.owox.com/blog/articles/benefits-of-data-modeling) — /blog/articles/benefits-of-data-modeling.md - [Article · Data Modeling · The beginner's guide to data transformation · Sep 27, 2023](https://www.owox.com/blog/articles/data-transformation-basics) — /blog/articles/data-transformation-basics.md - [Article · Data Modeling · Data aggregation techniques for effective data analysis · Jul 22, 2023](https://www.owox.com/blog/articles/data-aggregation-techniques-for-effective-data-analysis) — /blog/articles/data-aggregation-techniques-for-effective-data-analysis.md - [The Beginner's Guide to Transformation in ETL Process](https://www.owox.com/guides/data-transformation-guide) — /guides/data-transformation-guide.md - [Omnichannel Retailer Data Model](https://www.owox.com/guides/omnichannel-retailer-data-model) — /guides/omnichannel-retailer-data-model.md