# Data Catalog Systems

## Learning Cards

1. [What is a Data Catalog System?](/content/learn/data-governance-lineage/data-catalog-systems/what-is-a-data-catalog-system/index.html)  
   Easy - 3 min read

2. [How Metadata Flows Through a Catalog System](/content/learn/data-governance-lineage/data-catalog-systems/how-metadata-flows-through-a-catalog-system/index.html)  
   Medium - 3 min read

3. [Search, Lineage, and Graph Queries at Scale](/content/learn/data-governance-lineage/data-catalog-systems/search-lineage-and-graph-queries-at-scale/index.html)  
   Medium - 3 min read

4. [Building vs Buying: Catalog Trade offs and Alternatives](/content/learn/data-governance-lineage/data-catalog-systems/building-vs-buying-catalog-trade-offs-and-alternatives/index.html)  
   Hard - 4 min read

5. [Failure Modes and Production Edge Cases](/content/learn/data-governance-lineage/data-catalog-systems/failure-modes-and-production-edge-cases/index.html)  
   Hard - 4 min read