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What is Data Integration in DBMS Explained about?
Data integration involves combining data from multiple sources into a unified view. There are several common approaches, including federated databases, data warehousing, and mediation. Federated databases allow each data source to maintain autonomy while linking to a global schema. Data warehousing copies source data into a central repository for querying. Mediation uses wrappers and mappings to provide a virtual unified view without moving data.
- Author
- Abhishek Upadhyay
- Language
- EN