: Designed for collaborative team environments, allowing multiple modelers to share a centralized repository through erwin Mart Navigator Edition : A read-only version that allows stakeholders to open, view, and report

(often stylized as erwin or ERwin ) has been the gold standard in data modeling for over three decades. From its origins under Logic Works to its current stewardship under erwin, Inc. (now part of Quest Software), understanding the specific Erwin Data Modeler version you are using is critical for compatibility, feature access, and organizational governance.

| Section | What to cite | Key Erwin version features to highlight | | :--- | :--- | :--- | | | Chen (1976), Codd (1970) | Why ER modeling matters; introduce Erwin version X | | Literature Review | Batra (1995), DMBOK2 | Position Erwin among other tools | | Methodology | erwin User Guide (version X) | Explain reverse engineering, forward engineering, Complete Compare | | Case/Example | Singh & Powell (2019) or a self-built example | Show model diagrams, DDL scripts generated by version X | | Discussion | Krogstie (2012), Lucero (2021) | Version X’s support for data governance, cloud, or agile | | Conclusion | Torres (2017) | Compare version X to previous versions or competitors |

This corporate journey directly impacts the nomenclature. Users transitioning from older CA versions to modern Quest versions often encounter significant shifts in licensing, activation, and feature deployment.

To understand the current versions of Erwin, one must briefly understand its corporate lineage. Originally developed by Logic Works, the tool was acquired by Platinum Technology in the late 1990s, which was subsequently acquired by Computer Associates (CA). For years, it was known simply as "ERwin."