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  • Question
  • Which of the following describes a relational database?


  • Options
  • A. It retrieves data related to its queries
  • B. It provides a relationship between floats
  • C. It provides a relationship between integers
  • D. It consists of separate tables or related data

  • Correct Answer
  • It consists of separate tables or related data 

    Explanation

    A relational database is a digital database based on the relational model of data, a database structured to recognize relations between stored items of information. A software system used to maintain relational databases is a relational database management system.

     

    Computer database in which all data is stored in Relations which (to the user) are tables with rows and columns. Each table is composed of records (called Tuples) and each record is identified by a field (attribute) containing a unique value. Every table shares at least one field with another table in 'one to one,' 'one to many,' or 'many to many' relationships. These relationships allow the database user to access the data in almost an unlimited number of ways, and to combine the tables as building blocks to create complex and very large databases.

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    More questions

    • 1. In the relational model, relationships between relations or tables are created by using:

    • Options
    • A. composite keys.
    • B. determinants.
    • C. candidate keys.
    • D. foreign keys.
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    • 4. Which Stack is used in 8086?
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    • 5. What is object repository?
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    • 6. Which is the Stack used in 8085?
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    • 7. What does GUI stand for?
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    • 8. What is the main reason the OSI Model was created?
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    • B. Bus
    • C. Twisted pair
    • D. Both B & C
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    • 10. What are various scheduling queues?
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