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Question 1 What are the advantages of DBMS approach in managing data?
Question 2 What are the services provided by a database system
Question 3 List and briefly describe various threats to the data base security
Question 4 What are the characteristics of data warehouses
Question 5 Discuss briefly the types of database utilities and their functions
Question 6 Explain the Three -Tier Client/server architecture for Web Applications
Question 7 What are the ACID properties?
Question 8 Create employee table and implement SQL Insertion, deletion and update queries on that employee table
Question 9 Write a SQL query on employee table to find maximum salary, minimum salary and also average and sum of all employees' salaries
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
Given the following set of functional dependencies {cf?bg, g?d, cdg?f, b?de, d?c} defined on R(b,c,d,e,f,g) a.Find a non-redundant cover. b.Find a canonical cover.
Explain four causes for failures in data warehouse projects
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
Breaking into Subsystems Decomposition is a significant technique for coping with complexity based on idea of divide and conquers. In dividing a problem into sub problems, the
What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo
Consider the 1ollowin8 relation: CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., crui
Explain Domain calculus Domain calculus is one of the types of the relational calculus. The formal specification of the domain calculus was planned after the development of the
OBJECTIVES After going through this unit you should be capable to: Explain the File Based system and its limitations; Explain the structure of DBMS; Explain the
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
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