Question Paper
BCA 3rd Sem Data managment sec
📅 2025🎓 3rd Sem✍️ by Admin
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examination paper for the subject **DATA MANAGEMENT** with the paper code **B23-SEC-302**. It is a three-hour exam with a maximum of 35 marks.
The paper is structured as follows:
* **Structure and Requirements**: Students must attempt five questions in total, including the compulsory Question No. 1 and one question from each of the four units. Each question carries equal marks.
* **Question 1 (Compulsory)**: This section consists of seven short-answer questions (a-g) covering fundamental database concepts like DBMS properties, hashing, entity types, Codd's rules, functional dependency, SQL data types, and view creation syntax.
* **Unit I**: Focuses on DBMS definitions, architectures (centralized, web-based, and N-tier), and storage structures such as indexing and data dictionaries.
* **Unit II**: Covers relationship types, cardinality ratios, attribute differences (single vs. multivalued), keys, and the concepts of generalization and specialization.
* **Unit III**: Addresses database system design, including converting E.R. diagrams into relational systems and the principles of normalization, specifically the third normal form.
* **Unit IV**: Examines SQL implementation, including constraints (default, primary, and foreign keys) and specific statements such as `DELETE`, `UPDATE`, and data retrieval in descending order.
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