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Entities
Let us first be aware of the question:
What are entities?
Example :; transfers transfer_amount from x's account to y's account ; Supposes x&y both accounts exist TRANSACTION (x, y, transfer_amount) Start transaction IF X AND Y
what factors might influence a company to outsource its IT infrascture.
A set of possible data values is called? A set of possible data values is called as domain.
what are the type of the database
Differentiate between strict two-phase and rigorous two-phase with conversion protocol Ans: Strict two-phase locking holds all its exclusive that is write locks until commit t
Question 1 What are the advantages of DBMS approach in managing data? Question 2 What are the services provided by a database system Question 3 List and briefly describe
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
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
Explain how the associations are implemented as classes. A general approach in this case is to transform an association class into a simple class linked to two original classes
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
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