Introduction
Automated Metadata Harvesting (AMH) integrates erwin Data Modeler (DM) with erwin Data Governance (DG) and provides a way for Automatic Reverse Engineering (RE) for the databases used by your applications. It provides you with a way to govern all your applications. In other words, it keeps you informed about what data an application stores and how it is stored.
In short, the following sequence of events occurs:
- A job is scheduled on erwin DG, telling the AMH utility which DB to reverse engineer.
- The AMH utility processes the request serially as follows:
- Checks the job queue for scheduled jobs
- Based on the queue, reverse engineers the application
- Creates the model with application name
- If an NSM file is available, applies naming standards on the REDB model
- Saves the model:
- DG, Mart, and Web Portal
- DG only
- DG and Mart
The AMH utility consists of two Windows services:
- erwinDG Queue Service
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This service communicates with the erwin Data Governance (DG) platform to look for availability of new jobs. It creates a queue of jobs based on the information received from the erwin DG platform.
- erwinDG DM Service
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This service communicates with the ErwinDG Queue Service to check for any jobs in the queue and executes them.
This section contains the following topics
Installing and Configuring Automated Metadata Harvesting (AMH)
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