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Developer is required to do a task including:
- Database Normalization
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Skills required are Business Analysis, Database Administration
What is meant by object-oriented data model? The object-oriented paradigm is based on encapsulation of data and code related to an object in to a one unit, whose contents are n
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
Design a gennalization and specialization hierarchy for an automobile sales company
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
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
(a) Why did SAP introduce the extended star schema?
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
Describe entity referential integrity and integrity. Give an example of each. Entity Integrity Rule - If there is a attribute A of relation R is a prime attribute of R then A
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