PIT201-DATA WAREHOUSING UNIT III META DATA, DATA MART AND PARTITION STRATEGY

[Audio] PIT201-DATA WAREHOUSING UNIT III META DATA, DATA MART AND PARTITION STRATEGY.

[Audio] META DATA Metadata in a data warehouse is data about the data, processes, and systems used in the warehouse, enabling efficient management, querying, and governance of the data warehouse. Metadata is used for: Data transformation and load Data Management Query generation Importance: Enables integration of data from diverse sources (e.g., ERP systems, APIs, flat files). Supports ETL (Extract, Transform, Load) processes, data modeling, querying, and reporting. Example: Metadata tracks how raw sales data from a CRM is transformed into aggregated metrics for BI tools like Tableau. 2/47.

[Audio] 3/47. [image] A diagram of data warehouse metadata AI generated content may be incorrect.