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Ex. No:STUDENT MARK ANALYZING SYSTEM
Date:
1. Problem analysis and project planning
1.1 Introduction
Student mark analyzing system has been designed to carry out the
mark analysis process in an educational
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How to fill out er model case studies
01
Start by identifying the entities involved in the case study. This could be anything from people to objects or events.
02
Identify the relationships between the entities. Determine how they are connected or interact with each other.
03
Define the attributes of each entity. These are the specific characteristics or properties that describe the entities.
04
Determine the cardinality and modality of the relationships. This indicates the number of instances of one entity that can be associated with another entity.
05
Create an entity-relationship diagram (ERD) to visually represent the entities, relationships, and attributes.
06
Fill out the ER model by assigning appropriate names and data types to the attributes.
07
Validate the ER model by ensuring it accurately represents the case study and its requirements.
08
Use the ER model as a basis for designing a relational database schema or for further analysis and decision-making related to the case study.
Who needs er model case studies?
01
Students studying database management or data modeling may need ER model case studies as part of their coursework.
02
Database administrators or analysts who are designing or optimizing databases may use ER model case studies to understand and define the necessary entities, relationships, and attributes.
03
Business analysts or systems analysts working on system development projects may use ER model case studies to gather and document requirements related to data entities and relationships.
04
Researchers or professionals in the field of database management or data modeling may study ER model case studies to analyze and improve existing database systems or propose new information models.
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What is er model case studies?
ER model case studies are examples that demonstrate the design and implementation of an Entity-Relationship model in a specific scenario.
Who is required to file er model case studies?
Individuals or organizations who are working on database design projects and want to showcase their understanding of ER modeling may be required to file ER model case studies.
How to fill out er model case studies?
ER model case studies can be filled out by documenting the entities, attributes, relationships, and constraints in a particular scenario, and explaining the design decisions made during the modeling process.
What is the purpose of er model case studies?
The purpose of ER model case studies is to illustrate the application of ER modeling concepts in real-world scenarios, and to showcase the designer's ability to translate business requirements into a database design.
What information must be reported on er model case studies?
ER model case studies should include details about the entities, attributes, relationships, cardinality constraints, and any assumptions or design choices made during the modeling process.
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