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Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
What is a Built-in A notation of identity is built-into the data model or programming language and no user-supplied identifier is needed. This form of identity is used in objec
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
Scenario 1: Power goes out after the first instruction. What happens?
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
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What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
lock and types of lock
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Which database level is closest to the users? External database level is closest to the users.
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