DBMS-Database System Architecture

DBMS-Database System Architecture
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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