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Questions and Answers
A database is a collection of related data that is organized to support fast storage and retrieval.
A database is a collection of related data that is organized to support fast storage and retrieval.
True (A)
Data redundancy is a desirable property of a database.
Data redundancy is a desirable property of a database.
False (B)
A Data Warehouse is a type of database designed to support Online Transaction Processing (OLTP).
A Data Warehouse is a type of database designed to support Online Transaction Processing (OLTP).
False (B)
Data normalization is a process of dividing a table into smaller tables to minimize data redundancy.
Data normalization is a process of dividing a table into smaller tables to minimize data redundancy.
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A relational database organizes data into a hierarchical structure.
A relational database organizes data into a hierarchical structure.
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Study Notes
Database Basics
- A database is a collection of related data, organized to support fast storage and retrieval.
Database Properties
- Data redundancy is not a desirable property of a database (it is actually undesirable).
Data Warehouse
- A Data Warehouse is a type of database, but it is designed to support Business Intelligence (BI) and analytics, not Online Transaction Processing (OLTP).
Data Normalization
- Data normalization is a process of dividing a table into smaller tables to minimize data redundancy and improve data integrity.
Relational Database
- A relational database organizes data into a structured and standardized format, but not a hierarchical structure.
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