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What is the aim of object design
The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification. The motives of object-oriented design are:
(1) More closely to the problem domain
(2) Incremental change simple
(3) Supports reuse. Objects while Object Oriented Analysis OOA focuses on problem or in other word you can say that semantic objects. In Object Oriented Design we focus on finding a solution. Object Oriented modeling have three phases object modeling, dynamic modeling and function modeling. We will discuss aggregation, multiple inheritance, generalisation in various form and metadata.
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
What are the Objectives of Advance object design After this unit, you shall be able to: combine three OOAD models to obtain operations on the classes; develop algo
Modify a sequence: ALTER SEQUENCE SEQSS INCREMENT 2 MAXVALUE 3000; Removing a sequence: DROP SEQUENCE SEQSS;
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. This database stores records from a (ve
What is Data Storage? The storage structures and access methods used by database system are specified by a set of explanation in a special type of DDL called data storage-defin
Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
This project requires you to create a database design. Your design will be documented in a set of Entity-Relationship diagrams. Draw a set of Entity-Relationship diagrams to mode
What are the uses of functional dependencies? To test relations to see whether they are legal under a given set of functional dependencies. To state constraints on the set
What are the two types of errors? The two types of errors are: a) Logical error b) System error
Project Description: We have purchased facebook style chat software which we are using with our site. It is prepared in PHP but the rest of the site is developed asp.net. Iss
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