A data dictionary is a documentation tool that provides metadata, metrics, or details about a database and the data within it. Documenting data is critical to maintaining, sharing, and using it, and therefore this is a tool that can save time, improve code quality, and improve communication.
In this article, we will explore the process of designing, architecting, and implementing a data dictionary. But wait, this is only the beginning! A good data dictionary does not need to be entirely manually maintained. Many aspects of metadata, locating new data elements, and reporting/alerting on unusual changes can be built into a