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!
What is a SELECT operation?
The select operation selects tuples that please a given predicate. We use the lowercase letter σ to denote selection.
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
Compare the Nested-loop join and block-nested loop join Ans: Nested loop join - It is costly as worst case cost, no. of block accesses needed is n r * b s + b r where b
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
State the data flow diagram of functional model Any action initiated by transition in the state diagram can be extended into an entire data flow diagram in functional model. Th
The functions of DBA ?
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
differences between a classified catalog and a dictionary catalog
What is indexed sequential file organization? What are the applications of this organization? Ans: An index file can be employed to effectively overcome the problem of storing
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