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What is an entity relationship model?
The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An entity is a thing or object in the real world that is distinguishable from other objects
random file orgnization
Describe multi key files
, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created
Define the terms entity, attribute, role and relationship between the entities, giving examples for each of them. Ans: Entity: An entity is a "thing" or "object" in th
a need some real life examples of database management systems three level of ANSI SPARC architecture life teacher and student ,company and employee or for NGO etc.
As with other software, databases can potentially be used for unethical purposes. As a database developer, and a consumer, you should recognize database misuse, and how it may affe
What are the advantages of using a DBMS? The benefits of using a DBMS are a) Controlling redundancy b) Restricting unauthorized access c) Giving multiple user interfac
The First Normal Form (1NF) Let us first describe 1NF: Definition: A relation (table) is in 1NF if 1. There are no duplicate tuples or rows in the relation. 2.
Project: Microsoft Access You have been asked by the ABC Tanning Salon to create a database that can be used to track the salon's customers. You are to create a table in Access
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
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