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ER Diagrams examples | PDF, SQL DDL for MySQL, SQL Server and more
March 2026 / in Blog / by Data Model Pack
If you are searching for data models, Entity Relationship Diagrams or database schema templates, Data Model Pack delivers high-quality, professionally designed solutions tailored for real business applications.
Why to choose the ER Diagrams from Data Model Pack
Building a data model for a new application is not a simple set of database tables but should offer support for real business workflows.
→Data Model Pack helps you launch applications faster with high-quality, industry-tested ER Diagrams.
What we offer
√Complete ER Diagrams optimized for data quality and scalability
→You can access the interactive ER Diagrams for free
→You can download the ER Diagrams as JPEG, PDF, SQL DDL and more
Fully documented ER Diagrams
For each ER Diagram we created:
√Help Docs to explain the logic behind every table, column and foreign key — perfect for reviewing the data model. The effort to adjust the data model will be predictable and less expensive than building the data model from scratch.
√Pre-built SQL DDL scripts to deploy the database schema for MySQL, SQL Server, Oracle, Sybase, MariaDB and more. You can also import the SQL DDL scripts into any database design tool that can generate ER Diagrams and database schemas from SQL DDL files.
Save time and effort in modelling new databases
Visualize powerful database models instantly with clear and accurate ER Diagrams.
Each of our ER Diagrams addresses a distinct business domain such as Car Service, E‑Commerce, Menu Maker, Online Food Ordering, Point of Sale (POS), Restaurant and more →
View the ER Diagrams and deploy fully structured database schemas.
Accelerate every database schema design with powerful data models
We have already created the database diagram and prepared the SQL DDL scripts to deploy your database schema.
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