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What is Computer Science Unit 1 Grade 12 about?

The document provides an overview of database systems, explaining the distinction between data and information, the role of databases and DBMS, and the advantages of using databases over flat file systems. It discusses various database models, including hierarchical, network, and relational models, along with their advantages and disadvantages. Additionally, it covers key concepts such as relationships between entities, types of keys in DBMS, and the objectives and functions of a DBMS.

Author

swaraj.subedi001

Language

EN