Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question :
Object-Oriented Database (OODM) is defined as a logical data model that captures the semantics of objects supported in object-oriented programming. An Object-Oriented Database or OODB is defined as a persistent and sharable collection of objects defined by an OODM.
(i) OODBMSs were developed due to some of the inadequacies of the existing database technology. One of the inadequacies refers as Impedance mismatch problem. Explain what is meant by impedance mismatch, in the context of relational database system.
(ii) Give example of Four Advanced Database Applications and discuss their general characteristics. Explain why these applications are not suitable for a relational database.
(iii) Define each of the following concepts in the context of an object-oriented data model:
a. Abstraction. b. Objects and attributes. c. Methods and messages. d. Classes, subclasses and superclasses.
projects?
What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection
1 NF Normal Form The domain of attribute must add only atomic (simple, indivisible) values First normal form (Minimal Form or 1NF) is a normal form need in database normalizat
how to operate database in access ?
Define seek time. The time for repositioning the arm is known as the seek time and it enhances with the distance that the arm is known as the seek time.
Explain the EXEC statement in SQL Ans: All statements which start with EXEC SQL are embedded SQL database statements. High level languages such as C can be employed to write a
Question 1 Define OLTP? Explain the Differences between OLTP and Data Warehouse Question 2 What is Architecture? Explain various components involved in it Question
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
" Wound-wait" scheme : It is based on a preemptive method. It is based on a simple rule: If Ti requests a database resource that is held by Tj
Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd