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What is relationship? Give examples
A relationship is an association between several entities.
Example: A depositor relationship associates a customer with every account that he/she has.
What exactly is the concept of Functional Dependencies? And how do we associate this concept with the logic of Super-keys, Candidate Keys, etc? Given Relation R(A,B,C,D,E) with de
Consider a database application that deals with an Employee relation with information such as SIN, name, data of birth (DOB), and DID (the ID of the department at which the employe
How can i turn a conceptual entity relationship diagram into a logical entity relationship diagram? what do i have to do with "mandetory or" and "optional or" relationships?
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
non numeric literals
Ask q“A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded wher
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
Enumerate or state the steps in creating a relevant database of a shop.
please describe the data base management with the easy example &give the application?
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
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