Introduction to Information Technology · Unit 9 · 4 hrs
Fundamentals of Database
Exam-focused notes for Fundamentals of Database (Introduction to Information Technology, CSC114): what the TU syllabus asks and how it has actually been tested, with 9 solved past questions from this unit.
What this unit covers
- Introduction
- Database
- Database System
- Database Management System
- Database System Architectures
- Database Applications
- Introduction to Data Warehousing, Data mining, and BigData
Introduction to Data Warehousing, Data mining, and BigData
What is data warehouse? Explain. [5]
A data warehouse is a large, centralized repository of data that is collected, integrated, and stored from multiple sources within an organization for the purpose of reporting, analysis, and decision-making. It is designed to support management's decision-m...
Full solved answer →Define the terms data warehousing, data mining, and big data. [5]
A data warehouse is a collection of data from various sources stored under a common schema. It stores both current and historical data in one single place and is primarily used for analysis, reporting, and data mining purposes. Key characteristics: - It is ...
Full solved answer →What is BigData? How centralization database is different than the distributed database? [5]
--- Big Data refers to extremely large volumes of data that cannot be processed or managed by traditional database management systems due to their massive size, high speed of generation, and variety of formats. Big Data is commonly characterized by the 3 Vs...
Full solved answer →Database
Define database. What are the benefits of using databases? [5]
A database is an organized collection of structured data or information stored electronically in a computer system. It allows data to be easily accessed, managed, updated, and retrieved. A Database Management System (DBMS) is a system software for creating ...
Full solved answer →Database Management System
What is database management system? Why database management systems are used. Discuss the database system architecture.[10]
A Database Management System (DBMS) is a collection of interrelated data and a set of programs to access and manage that data. It is software that acts as an interface between the user and the database, allowing users to create, read, update, and delete dat...
Full solved answer →Database System Architectures
What is database? What are benefits of using storing database system architectures in detail.[10]
--- A database is an organized collection of related data that is stored and managed so that it can be easily accessed, retrieved, updated, and managed. It eliminates data redundancy and provides a structured way to store large amounts of information. Data ...
Full solved answer →What is data model? How ER-Model can be used to create conceptual data model? Explain with example.[10]
A data model describes a way to design a database at the physical, logical, and view level. It provides a structured way to represent data, the relationships among data, and the constraints that govern the data. A data model serves as a blueprint for how a ...
Full solved answer →Database System
What is database system? How data can be stored using relational model. [5]
A database system (also called a Database Management System - DBMS) is a system that manages a database, which is a collection of interrelated information used for different aspects of real-life problems. As per the notes: "Database is a collection of inter...
Full solved answer →What is database system? How data can be stored using relational model. [5]
A database is a collection of interrelated information which is used for different aspects of real life problems. A database system (also called a Database Management System - DBMS) is a software system that manages, stores, retrieves, and organizes this da...
Full solved answer →Make Unit 9 stick
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