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The ER (Entity-Relationship) model is a conceptual data model used in database design. It represents the data in terms of entities, attributes, and relationships. Here are the basic concepts of the ER model: Entity: An entity is a real-world object, concept or thing with an independent existence that can be easily distinguished from other objects. […]
February 15, 2023 | DBMS | No comments
What are Data Models in DBMS? In database management systems (DBMS), a data model is a conceptual representation of data structures, relationships, constraints, and rules used to organize, manipulate and store data. A data model provides a way to describe the structure of a database and how data is stored, retrieved, and updated. There are […]
February 15, 2023 | DBMS | No comments
The architecture of the DBMS affects how it is designed. When dealing with a sizable number of PCs, web servers, database servers, and other components connected by networks, the fundamental client/server architecture is used.A workstation and numerous PCs connected by a network make up the client/server architecture.How users connect to the database to complete their […]
February 11, 2023 | DBMS, Uncategorized | No comments
A database management system (DBMS) is a software system designed to manage the storage, retrieval, and manipulation of data in a database. The following are the components of a DBMS: Hardware Software Data Procedures Database Access Language 1. Hardware: The hardware components of a DBMS play a crucial role in storing, retrieving, and processing data. […]
February 11, 2023 | DBMS, Uncategorized | No comments
What is Data? Data is nothing more than raw, unfiltered facts and statistics that are stored or freely flowing through a network. When processed, data transforms into information, which gives it meaning. What is a Database? A database is a group of connected data that facilitates effective data retrieval, insertion, and deletion. The data is […]
February 9, 2023 | DBMS, Uncategorized | No comments