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!
Probelm:
(a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network"
(i) Give advantages of a Distributed Database as compared to a centralised database.
(ii) Differentiate between a Heterogeneous DDB and Homogeneous DDB and describe under what circumstances would such systems generally arise?
(iii) Show the advantages of having data replicated at various sites.
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Explain the concept of Modeling With Objects A model is a conceptual representation of a specification, design or system from a particular point of view. A modelling language
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
external view of DBMS in healthcare department?
What are the different integrity constraints in RDBMS? The various integrity constraints in RDBMS are as: Primary Key: primary key is a grouping of one or more attributes
What are the Overlapping elements Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them
Design a gennalization and specialization hierarchy for an automobile sales company
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
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