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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.
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will als
I need ERP system We are selling automotive spare parts on the internet and we require ERP software, which would sync with our e-shop. Our e-shop doesn't use any e-commerce plat
Objectives differentiate DDBMS and conventional DBMS; Describe Network topology for DDBMS; Describe the concepts of horizontal and vertical fragmentation; Descr
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
#question benefits and limitations of data models..
What is meant by software and hardware RAID systems? RAID can be executed with no change at the hardware level, using only software modification. Such RAID implementations are
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
let us consider a table having 2200 records and the fixed size of the table to be considered as 25.then how many numbers of table is requredto perform horizontal fragmentation
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