How to Create a Data Dictionary

Step-by-step guide to building a complete data dictionary with schemas, ERDs, lineage, and governance documentation.

January 23, 2026

A data dictionary provides complete documentation of data entities, their attributes, and relationships. This guide walks through creating a data dictionary in NeoArc Studio.

Create the Data Model Diagram

Create Schema Definitions

Add Lineage Mappings

Create the Overview Page

Create Entity Pages

For each major entity, create a dedicated page with full documentation.

Document Data Governance

Document Data Quality

Link to Consumers

Create Navigation

Schema Editor Reference

Complete reference for the schema editor including schema types, field types, validation rules, and lineage tracking.

ERD Tables Reference

Reference for ERD table representations in NeoArc Studio: Data Views in persistence mode (recommended) and standalone ERD table shapes in the diagram editor (for freeform diagramming).

How to Set Up Schema Lineage to the Data Model

Step-by-step guide to mapping schema fields to entity properties in the data model for full data traceability in NeoArc Studio.

Data Architecture Document Template

A template for data architecture documentation including data models, governance, lineage, and lifecycle management.