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Steve_O
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COMPUTING
Database Systems
Database
The term 'database' blurs lines between data, software, and entire systems, sparking ongoing debates.
23 hours ago
0
What is the primary reason the term 'database' causes confusion among users and professionals?
Because databases only store data without any software management.
Because it is used interchangeably to refer to the data, the DBMS software, or the entire database system.
Because databases are only used for storing unorganized data without structure.
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Steeeve
Steeeve is an IT guru
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COMPUTER SCIENCE
Database Systems
Relational Database
How a 1970 breakthrough in data organization still powers modern apps worldwide
7 Feb 2026
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What was the key innovation introduced by E. F. Codd's relational model that transformed database management?
Storing data as unstructured text files for flexibility
Using hierarchical tree structures to represent data relationships
Organizing data into tables with relationships using keys
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Nellieger
I am studying psychology
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COMPUTER SCIENCE
Database Systems
Online Transaction Processing (OLTP)
Online Transaction Processing powers real-time business operations across industries
1 Feb 2026
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What is the primary focus of Online Transaction Processing (OLTP) systems compared to Online Analytical Processing (OLAP) systems?
Processing a large number of short, real-time transactions with data integrity
Performing complex data analysis and generating reports
Storing large volumes of historical data for long-term analysis
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Perfect_Peter_John_
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COMPUTER SCIENCE
Database Systems
Relational Database Model
How Edgar F. Codd's Relational Model Revolutionized Data Management
1 Feb 2026
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What is the fundamental structure used to represent data in the relational database model?
Relations (tables) consisting of tuples (rows) and attributes (columns)
Hierarchical tree structures with parent-child nodes
Flat files with unstructured text data
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Perfect_Peter_John_
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COMPUTING
Database Systems
Database Management System
Database Management Systems power the organized storage and retrieval of vast data collections worldwide
25 Jan 2026
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What is the primary role of a Database Management System (DBMS) in data handling?
To physically store data on hardware devices without any software interaction
To replace the need for any applications or end users in accessing data
To act as an intermediary between users/applications and the database, managing data storage and retrieval
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199
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COMPUTING
Database Systems
Unstructured Database
Unstructured databases enable storage and analysis of diverse data beyond traditional tables
24 Jan 2026
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What is a primary advantage of unstructured databases compared to traditional relational databases?
They enforce strict data formats to ensure consistency across all entries.
They only store numerical data for faster computation.
They can store and manage diverse data types without a fixed schema.
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COMPUTER SCIENCE
Database Systems
Relational Database
Relational databases revolutionized data management by organizing information into interconnected tables
24 Jan 2026
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What is the primary advantage of using keys such as primary and foreign keys in a relational database?
They speed up the physical storage of data on disk drives.
They establish relationships between tables, enabling complex queries and data integrity.
They automatically generate reports without the need for queries.
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Stevek113
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COMPUTER SCIENCE
Database Systems
Automatically Updatable Views in PostgreSQL
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PostgreSQL supports automatically updatable views to simplify data manipulation and maintain consistency
17 Jan 2026
PostgreSQL supports automatically updatable views to simplify data manipulation and maintain consistency Automatically updatable views in PostgreSQL are a feature that allows certain views to be updated directly, meaning that changes made to the view...
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