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MCQs

Total Questions : 286 | Page 8 of 29 pages
Question 71. A report generator is used to
  1.    update files
  2.    print files on paper
  3.    data entry
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option B. -> print files on paper
Question 72. Which of the following is not a logical data-base structure?
  1.    tree
  2.    relational
  3.    network
  4.    chain
  5.    All of the above
 Discuss Question
Answer: Option D. -> chain
Question 73. Which of the following is a database administrator's function?
  1.    database design
  2.    backing up the database
  3.    performance monitoring
  4.    user coordination
  5.    All of the above
 Discuss Question
Answer: Option E. -> All of the above
Question 74. Primitive operations common to all record management systems include
  1.    Print
  2.    Sort
  3.    Look-up
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> Look-up
Question 75. Each of data files has a _____ that describe the way the data is stored in the file.
  1.    File structure
  2.    Records
  3.    Fields
  4.    Database
  5.    None of the above
 Discuss Question
Answer: Option A. -> File structure
Question 76. After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
  1.    Delete
  2.    Update
  3.    Sort key
  4.    Index
  5.    None of the above
 Discuss Question
Answer: Option B. -> Update
Question 77. What is the language used by most of the DBMSs for helping their users to access data?
  1.    High level language
  2.    Query language
  3.    SQL
  4.    4GL
  5.    None of the above
 Discuss Question
Answer: Option B. -> Query language
Question 78. In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
  1.    ZIP
  2.    PACK
  3.    COMMIT
  4.    SAVE
  5.    None of the above
 Discuss Question
Answer: Option C. -> COMMIT
Question 79. Data item characteristics that are important in data management include
  1.    punctuation
  2.    language
  3.    spelling
  4.    width
  5.    None of the above
 Discuss Question
Answer: Option D. -> width
Question 80. Periodically adding, changing and deleting file records is called file
  1.    Updating
  2.    upgrading
  3.    restructuring
  4.    renewing
  5.    None of the above
 Discuss Question
Answer: Option A. -> Updating

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