Lakshya Education MCQs

Question: A compound key
Options:
A.is made up a several pieces of information
B.uniquely identifies an item in a list
C.both (a) and (b)
D.is a combination of each unique key
E.None of the above
Answer: Option C

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More Questions on This Topic :

Question 1. The distinguishable parts of a record are called
  1.    files
  2.    data
  3.    fields
  4.    database
  5.    None of the above
Answer: Option C
Question 2. 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
Answer: Option C
Question 3. Large collections of files are called
  1.    fields
  2.    records
  3.    databases
  4.    file system
  5.    None of the above
Answer: Option C
Question 4. The data-base environment has all of the following components except:
  1.    users
  2.    separate files
  3.    data base
  4.    data-base administrator
  5.    None of the above
Answer: Option B
Question 5. The way a particular application views the data from the data base that the application uses is a :
  1.    module
  2.    relational model
  3.    schema
  4.    subschema
  5.    None of the above
Answer: Option D
Question 6. Characteristic(s) of a distributed MIS structure is
  1.    interactive sharing of the workload
  2.    a multiprocessing environment
  3.    computers supporting local DP operations
  4.    All of the above
  5.    None of the above
Answer: Option D

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