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MCQs

Total Questions : 286 | Page 29 of 29 pages
Question 281. A compound key
  1.    is made up a several pieces of information
  2.    uniquely identifies an item in a list
  3.    both (a) and (b)
  4.    is a combination of each unique key
  5.    None of the above
 Discuss Question
Answer: Option C. -> both (a) and (b)
Question 282. The distinguishable parts of a record are called
  1.    files
  2.    data
  3.    fields
  4.    database
  5.    None of the above
 Discuss Question
Answer: Option C. -> fields
Question 283. Large collections of files are called
  1.    fields
  2.    records
  3.    databases
  4.    file system
  5.    None of the above
 Discuss Question
Answer: Option C. -> databases
Question 284. A scheme describes
  1.    data elements
  2.    records and files
  3.    record relationships
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 285. The index consists of
  1.    a list of keys
  2.    pointers to the master list
  3.    both (a) and (b)
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option C. -> both (a) and (b)
Question 286. In SQL, which command is used to select data in rows and column from one or more tables?
  1.    CHOOSE
  2.    SELECT
  3.    LIST
  4.    BROWSE
  5.    None of the above
 Discuss Question
Answer: Option B. -> SELECT

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