DBMS-Database System Architecture

DBMS-Database System Architecture
21. Object-oriented data model is a logical data model that captures the semantics of objects supported in object oriented programming.
  • TRUE
  • FALSE
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22. Centralised database system is physically confned to a single location.
  • TRUE
  • FALSE
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23. Parallel database systems architecture consists of one central processing unit(CPU) and data storage disks in parallel.
  • TRUE
  • FALSE
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24. Distributed database systems are similar to client/server architecture.
  • TRUE
  • FALSE
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25. Which of the following is database element?
  • data
  • constraints and schema
  • relationships
  • all of these.
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26. What separates the physical aspects of data storage from the logical aspects of data representation?
  • data
  • schema
  • constraints
  • relationships
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27. What schema defines how and where the data are organised in a physical data storage?
  • external
  • internal
  • conceptual
  • nNone of these
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28. Which of the following schemas defines the stored data structures in terms of the database model used?
  • external
  • internal
  • conceptual
  • none of these
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29. Which of the following  schemas defines the stored data structures in terms of the database model used?
  • external
  • conceptual
  • internal
  • none of these
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30. A collection of data designed to be used by different people is called:
  • Database
  • RDBMS
  • DBMS
  • none of these.
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Database
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