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Problem
1. Describe the following
a) Advantages of Database Systems
b) Functions of a DBMS
2. Explain the following concepts with respect to storage structures in databases
a) Clustering
b) Indexing
3. Explain the first 3 Normal Forms taking the help of an un-normalized relation and reducing it to 3 NF
what is Nested relational model? Explain with examples.
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
Equi Join: A join in which the joining condition is based on equality among values in the common columns. Common columns show (redundantly) in the result table. Let us Consider th
WHAT IS DATABASE TECHNOLOGIES
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
What is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure? How many levels of SP nesting is possible? Recursion is method of proble
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
he SQL query that will return the order number, quantity ordered, price each and total cost of an order (quantity * price each) from the order details table. Label the calculated c
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
Problem: You are given the following schema 1. Flights(flno, from, to, distance) 2. Aircraft(aid, flno, aname, cruisingRange) 3. Certified(eid, aid) 4. Employees(eid, ena
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