DBMS-Database System Architecture Questions and Answers

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DBMS – Database System Architecture Questions with Answers focus on how data is stored, processed, and managed in layered database systems. Understanding concepts like three-tier architecture, data abstraction, and schema mapping is vital for software developers and IT aspirants. These programming questions and answers provide in-depth coverage for DBMS interview preparation and placement tests conducted by companies like TCS, Infosys, and Cognizant.

DBMS-Database System Architecture

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1. In a database management system, data files are the files that store the database information.

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2. The external schema defines how and where data are organised in physical data storage.

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3. In a network database terminology, a relationship is a set.

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4. A feature of relational database is that a single database can be spread across several tables.

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5. An SQL is a fourth generation language.

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6. An object-oriented DBMS is suited for multimedia applications as well as data with complex relationships.

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7. An OODBMS allows for fully integrated database that hold data, text, voice, pictures and video.

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8. The hierachical model assumes that a tree structure is the most frequently occurring relationship.

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9. The hierachical database model is the oldest data model.

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10. The data in a database cannot be shared.

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