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!
Describe the advantage of State chart Diagram
A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour which specifies sequence of states that an object passes through during life time in response to events together with its response to those events. A state is a situation / condition during object's life which performs some activity or waits for some event. It contains simple states, transitions, composite states, actions, and events. The notation for multiple states depending on action / events based on set of activities is shown as:
Figure: State diagram for multiple activities
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
Explain nested relations? Nested relations The assumption of INF is a natural one in the bank examples we have considered. However, not all applications are best modelled
What are the function of DBA?
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
There are two major types of fragmentation: Horizontal& Vertical. Horizontal fragments, as the name suggests are subsets of tuples and vertical fragments are subsets of attributes
Lossless-Join Decomposition Let us show an intuitive decomposition of a relation. We require a better basis for deciding decompositions since intuition may not always be r
explain normalization,and give the examples 1NF,2NF,3NF,BCNF.AND FUNCTIONAL DEPANDENACY AND DECOMPOSITION TECHNIQUES.
Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
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