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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
Question: Using the data model express the following queries in SQL. (a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and
Given the following relations Vehicle (Reg_no, make, colour) Person(eno, name, address) Owner(eno, reg_no) Write expressions in the relational algebra to answer the following
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
Consider the following database schema: STAFF(StaffNo, fName, lName, Position, sex, dob, branchNo) BRANCH(BranchNo, Street, City) Assume the following for the above database
what is natural join?
Demonstrate the UML model Using UML, it is possible to generate code in any of the programming language from UML model (called forward engineering) and rebuild a model from an
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
why are older data base model are being replaced by new data model
The following variant of the primary copy asynchronous-update replication protocol has been proposed for totally replicated systems. (a) A transaction executing at site A updat
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
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