database management system, Computer Engineering

Assignment Help:
Consider the following instance of the Students relation, sorted by gpa.

sid name login age gpa
53831 Madayan madayan@music 11 1.8
53832 Guldu guldu@music 12 2.0
53688 Smith smith@ee 19 3.2
53666 Jones jones@cs 18 3.4
53650 Smith smith@math 19 3.8


For the purposes of this question, assume that these tuples are stored in a sorted file in the order shown. Each page can store up to three data records. So the first three tuples are on page 1, the fourth is on page 2 etc.

I. (20) Explain what the data entries in each of the following indexes contain. If the order of entries is significant, say so and explain why. For definition of terms, refer to the text.
1. An index on gpa using Alternative (1).
2. A clustered index on gpa using Alternative (2).
3. An unclustered index on name using Alternative (3).

Related Discussions:- database management system

What is stack addressing, Q. What is Stack Addressing? In this addressi...

Q. What is Stack Addressing? In this addressing technique operand is implied as top of stack. It isn't explicit however implied. It employs a CPU Register known as Stack Pointe

Basic need of random access memory, Q. Basic need of Random Access Memory? ...

Q. Basic need of Random Access Memory? Main memory is Random access memory. It is generally organised as words of fixed length. Length of a word is termed as word length. Every

What are the barcode readers, What are the Barcode readers These collec...

What are the Barcode readers These collect data from printed barcodes and allow automatic stock control in, for illustration, supermarkets.

Combinational logic circuits, A circuit can be designed to perform manydiff...

A circuit can be designed to perform manydifferent functions e.g.a circuit has 3 inputs A, B and C and 3 outputs:Output X is logic level 1 (or 'high') if one or moreinputs are at l

Explain the paging unit, Explain the Paging Unit Paging mechanism funct...

Explain the Paging Unit Paging mechanism functions with 4K - byte memory pages or with a new extension available to Pentium with 4M byte-memory pages. In Pentium, with new 4M-b

Creation deductive inferences, Creation Deductive Inferences : Here we...

Creation Deductive Inferences : Here we have shown how knowledge can be represented in first-order logic or how rule-based expert systems expressed in logic can be constructed

Prints the hundreds digit in two integers , Write an application that prin...

Write an application that prints the hundreds digit  in two integers read from the keyboard. For example if the data values are 1456 and 255 respectably, output should include the

Padovan string , A Padovan string P(n) for a natural number n is defined as...

A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a string of t

Advantage of wrapping database calls into mts transactions, Advantage of wr...

Advantage of wrapping database calls into MTS transaction If database calls are complete within the context of a transaction, aborting the transaction will undo and changes that

Explain csmsginterface() function with predefined protocol, Explain CSMsgIn...

Explain CSMsgInterface() Function with Predefined Protocol  A REQUEST structure is created for each message sent to the server. Messages passed to CSMsgInterface() as *dataMSG

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd