What Do You Know About Data Mining? - Part 1?

This article gives a clear answer about What Do You Know About Data Mining? - Part 1. It explains the main idea, practical context, and details that help readers understand the subject.

Understanding What Do You Know About Data Mining?

• Question 1: ________ is a loss-free, historical, subject-oriented, comprehensive, data-driven set of data for managing, providing information in a timely, accurate, and Time is the foundation for building data analysis applications, supporting organizational decision making.
  • Data structure - Data structure
  • Data warehouse - Data warehouse
  • Data base - Database
  • Data analytics - Data analysis
• Question 2: Which technique is OLAP abbreviated?
  • Online Advanced Program
  • Online Analytical Program
  • Online Advanced Processing
  • Online Analytical Processing
  Online Analytical Processing - Processing online data analysis.
• Question 3: OLTP is the abbreviation of any technique?
  • Online Transaction Processing
  • Online Transaction Program
  • Oracle Transaction Processing
  • Online Terminal Processing
• Question 4: In data mining, slice operation (slice) helps users analyze data in several dimensions?
  • One-way.
  • Two-way.
  • Multi-dimensional depending on user requirements.
  • There is no right answer.
• Question 5: In data mining, block cutting operation (dice) helps users analyze data on several dimensions?
  • One-way.
  • Two-dimensional right.
  • Two-way or more.
  • There is no right answer.
• Question 6: How long does it take to expect Data warehouse to use?
  • 1-2 years
  • 3-4 years
  • 5-6 years
  • 5-10 years
• Question 7: ________ predicts future trends and behaviors, assisting managers to make decisions that affect business operations.
  • Data warehouse - Data warehouse
  • Data mining - Data mining
  • Datamart - Local data warehouse
  • Metadata - Metadata
• Question 8: Data in the Data Warehouse is ________ data.
  • Just read.
  • Edit only by overwriting old content.
  • Only edit by writing to the old content.
  • Read only and edit
• Question 9: DSS is the abbreviation of any system in Data Warehouse?
  • Decision Support System.
  • Decision Single System.
  • Data Storable System.
  • Data Support System.
  Decision Support System - Decision support system.
• Question 10: What are the basic characteristics of Data warehouse?
  • Subject-oriented (subject-oriented).
  • Integrity (Integrated).
  • Immutability (Nonvolatile).
  • All the answers above.
• Question 11: Choose the correct answer:Select and explain the data mining function.
  • It's correct
  • False
• Question 12: Data is stored, retrieved and updated in ________.
  • OLAP
  • OLTP
  • SMTP
  • FTP
• Question 13: ________ describe the data contained in the Data Warehouse - Data Warehouse.
  • Relational data - Relational data
  • Operational data - Operational data
  • Metadata - Metadata
  • Informational data - Informational data
• Question 14: Record, data cannot be updated in ________.
  • OLTP
  • File
  • RDBMS
  • Data Warehouse
• Question 15: ________ is the bridge between data warehouse and decision support application.
  • Logical data - Logical data
  • Complex data - Complex data
  • Nominal data - Nominal data
  • Metadata - Metadata