Database Management System

Database Management System

5 Questions Published

Questions

Question 1 Multiple Choice (Single Answer)

Which of the following follow(s) a simple and easy way to classify a given data set through a certain number of clusters and fixed a priori?

  1. Slice and dice
  2. Drill down
  3. K-Means
  4. Normalization
  5. Attribute construction
Question 2 Multiple Choice (Single Answer)

Which of the following is the ability of the models to make correct predictions in given noisy data?

  1. Interpretation
  2. Data mining task
  3. Data mining
  4. Robustness
  5. Pivot
Question 3 Multiple Choice (Single Answer)

Which of the following is a collection of machine learning algorithms for data mining task?

  1. Weka
  2. Genetic algorithms
  3. Generalization
  4. Normalization
  5. Rule Induction
Question 4 Multiple Choice (Single Answer)

Which of the following is a perspective of data in the data ware house, from the view point of end user?

  1. Snowflake schema
  2. Star schema
  3. Fact constellation
  4. Data
  5. Business query view
Question 5 Multiple Choice (Single Answer)

Which of the following methods starts out with each data point forming its own segment and merge them into larger one?

  1. Numerosity reduction
  2. Agglomerative clustering
  3. Data cube aggregation
  4. Data mining task
  5. Interpretation