Data Mining and Data Warehouse MCQs with answers Page - 36

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Q. Prediction is

  • (A) The result of the application of a theory or a rule in a specific case
  • (B) One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table.
  • (C) Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.
  • (D) None of these

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Q. Primary key is

  • (A) The result of the application of a theory or a rule in a specific case
  • (B) One of several possible enters within a database table that is chosen by the designer as the primary means of accessing the data in the table
  • (C) Discipline in statistics that studies ways to find the most interesting projections of multi-dimensional spaces.
  • (D) None of these

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Q. Noise is

  • (A) A component of a network
  • (B) In the context of KDD and data mining, this refers to random errors in a database table.
  • (C) One of the defining aspects of a data warehouse
  • (D) None of these

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Q. Quadratic complexity is

  • (A) A reference to the speed of an algorithm, which is quadratically dependent on the size of the dat(A)
  • (B) Attributes of a database table that can take only numerical values.
  • (C) Tools designed to query a database.
  • (D) None of these

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Q. Query tools are

  • (A) A reference to the speed of an algorithm, which is quadratically dependent on the size of the dat(A)
  • (B) Attributes of a database table that can take only numerical values.
  • (C) Tools designed to query a database.
  • (D) None of these

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Q. Prolog is

  • (A) A programming language based on logic
  • (B) A computer where each processor has its own operating system, its own memory, and its own hard disk.
  • (C) Describes the structure of the contents of a database.
  • (D) None of these

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Q. Massively parallel machine is

  • (A) A programming language based on logic
  • (B) A computer where each processor has its own operating system, its own memory, and its own hard disk
  • (C) Describes the structure of the contents of a database.
  • (D) None of these

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Q. Meta-data is

  • (A) A programming language based on logic
  • (B) A computer where each processor has its own operating system, its own memory, and its own hard disk.
  • (C) Describes the structure of the contents of a database
  • (D) None of these

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Q. n(log n) is referred to

  • (A) A measure of the desired maximal complexity of data mining algorithms
  • (B) A database containing volatile data used for the daily operation of an organization
  • (C) Relational database management system
  • (D) None of these

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Q. Operational database is

  • (A) A measure of the desired maximal complexity of data mining algorithms
  • (B) A database containing volatile data used for the daily operation of an organization
  • (C) Relational database management system
  • (D) None of these

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