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How to Choose a Right DBMS
Last Updated: 27 November 2025
In any system built on a Database Management System (DBMS), selecting the right database is a key architectural decision. It influences data consistency, performance, scal...
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Non-Relational Databases and Their Types
Last Updated: 12 January 2026
In the area of database management, the data is arranged in two ways which are Relational Databases (SQL) and Non-Relational Databases (NoSQL). While relational databases ...
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MongoDB
SQL-basics
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Database Schemas
Last Updated: 08 December 2025
A database schema defines the structure and organization of data within a database. It outlines how data is logically stored, including the relationships between different...
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RENAME (ρ) Operation in Relational Algebra
Last Updated: 15 July 2025
The rename operator in relational databases is used to change the name of a relation (table) or its attributes (columns). It is denoted by rho (Ο). It helps in making the ...
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Difference between CouchDB and Relational Database
Last Updated: 15 July 2025
CouchDB is a NoSQL document-oriented database that stores the data as a flexible JSON document while relational databases organize data in a structured table with the pred...
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Difference Between
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RDBMS Architecture
Last Updated: 15 July 2025
RDBMS stands for Relational Database Management System and it implements SQL. In the real-world scenario, people use the Relational Database Management System to collect i...
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Data Models in DBMS
Last Updated: 01 December 2025
A Data Model in Database Management System (DBMS) is the concept of tools that are developed to summarize the description of the database.Data Models provide us with a tra...
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Constraints on Relational Database Model
Last Updated: 12 July 2025
In modeling the design of the relational database we can put some restrictions like what values are allowed to be inserted in the relation, and what kind of modifications ...
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Difference between Relational model and Document Model
Last Updated: 12 July 2025
The relational model organizes data into tables with rows and columns, ideal for structured data. On the other hand, the document model stores data in hierarchical documen...
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Types of Databases
Last Updated: 07 August 2025
Databases are essential for storing, retrieving, and managing structured or unstructured data efficiently.They form the backbone of modern applicationsβfrom mobile apps to...
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Difference between Relational Algebra and Relational Calculus
Last Updated: 11 July 2025
Relational Algebra and Relational Calculus are two preliminarily important topics in the study of DBMS. Both are standardized query languages used for querying databases b...
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Anomalies in Relational Model
Last Updated: 18 April 2026
Anomalies in DBMS are caused by poor management of storing everything in the flat database, lack of normalization, data redundancy, and improper use of primary or foreign ...
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Keys in Relational Model
Last Updated: 24 April 2026
Keys are fundamental elements of the relational database model that ensure uniqueness, data integrity, and efficient data access.They uniquely identify each row in a table...
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Introduction of Relational Model and Codd Rules in DBMS
Last Updated: 23 July 2025
The Relational Model is a fundamental concept in Database Management Systems (DBMS) that organizes data into tables, also known as relations. This model simplifies data st...
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Mapping from ER Model to Relational Model
Last Updated: 24 April 2026
Converting an Entity-Relationship (ER) diagram to a Relational Model is an important step in database design. The ER model represents the conceptual structure of a databas...
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