10 Questions
What is the primary focus of OLTP?
Quick, real-time transactional tasks
What is the main purpose of a Data Mart?
To store condensed, subject-oriented data for easy access and analysis
What is the primary function of OLAP?
To query and analyze multidimensional data from data warehouses
What is the main goal of Classification in Data Mining?
Organizing data into predefined categories based on input features
What is the purpose of Anomaly Detection in Data Mining?
Identifying unusual patterns or outliers in the data
State two advantages of using data warehousing.
- Data Integration: It consolidates data from multiple sources into a single, coherent repository, providing a unified view of information across the organization. 2. Improved Decision Making: By providing easy access to comprehensive & reliable data, data warehouses enable organizations to make informed decisions based on accurate insights and analysis.
What are the main components of Spark?
- Spark Core: Provides basic functionality for distributed task scheduling, memory management, & fault recovery. 2. Spark SQL: Allows working with structured data using SQL queries, and integrates SQL queries with Spark programs. 3. Spark Streaming: Enables processing real-time streaming data in micro-batches or real-time modes. 4. MLlib (Machine Learning Library): Provides scalable machine learning algorithms for classification, regression, clustering, etc. 5. GraphX: A graph processing library for analyzing graph-structured data.
List two disadvantages of data mining.
- Data Quality: Relies heavily on the quality & accuracy of data. 2. Privacy Concerns: Raises ethical & privacy issues related to the use of personal data.
What is the primary function of Knowledge Discovery?
To uncover valuable insights & patterns hidden within data.
Explain the purpose of Competitive Advantage in the context of organizations.
It provides organizations with a competitive edge by identifying trends and opportunities.
Explore fundamental concepts like Online Transaction Processing (OLTP) and Data Mart, including their definitions and applications in database management. Learn about the importance of OLTP for real-time transaction processing and how Data Marts provide tailored data solutions for specific business departments.
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