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Explain the dependency relationship of object oriented
A dependency is a relationship which states that a change in specification of one thing can affect another thing, but not necessarily vice versa. In UML, it is shown by dashed directed line. The notation for dependency among components and packages is shown as:
Figure: Dependency between packages
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Give the Introduction of OBJECT DESIGN Strategies which are selected during system design are carried out in object-oriented design. In this procedure, objects which are identi
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Describe the storage structure of indexed sequential files and their access method. Ans: Storage structure of Indexed Sequential files and their access: To achieve fast rand
How can you map NULL values to other values while display? IF( ) , IFNULL( ) keywords are used to do so. They are 'LIMIT' is used for the following kinds of problems: 1) Ans
What is Hierarchical DBMS In HDBMS, data is structured in a tree like manner. There is a parent-child relationship between data items and the data model is very suitable for re
Develop Database academic assignment Project Description: For a provided set of instructions in a case study design Entity Relationship Diagram. - Entity Relationship Diag
sir, could anybody help me in getting complete information about the mentioned topic
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