Question
Write a function search () to search a record in a binary file according to the student number entered by the user. Also display the message “Record not found” in case record not found in the file.

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Xcelencia Edu Services Ltd. is an educational organization. It is planning to set up its India campus at Hyderabad with its head office at Delhi. The Hyderabad campus has four main buildings - ADMIN, SCIENCE, BUSINESS and MEDIA.

You as a network expert have to suggest the best network related solutions for their problems raised in (a) to (d), keeping in mind the distances between the buildings and other given parameters.

Shortest Distances between various buildings:

ADMIN to SCIENCE 65 M
ADMIN to BUSINESS 100 m
ADMIN to ARTS 60 M
SCIENCE to BUSINESS 75 M
SCIENCE to ARTS 60 M
BUSINESS to ARTS 50 M
DELHI Head Office to HYDERABAD Campus 1600 KM

Number of Computers installed at various building are as follows:

ADMIN 100
SCIENCE 85
BUSINESS 40
ARTS 12
DELHI Head Office 20

(a) Suggest the most appropriate location of the server inside the HYDERABAD campus (out of the 4 buildings), to get the best connectivity for maximum no. of computers. Justify your answer.

(b) Suggest and draw the cable layout to efficiently connect various buildings ‘within the HYDERABAD campus for connecting the computers.

(c) Which hardware device will you suggest to be procured by the company to be installed to protect and control the internet uses within the campus?

(d) Which of the following will you suggest to establish the online face-to-face communication between the people in the Admin Office of HYDERABAD campus and DELHI Head Office?

(a) E-mail (b) Text Chat (c) Video Conferencing (d) Cable TV

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Write SQL queries for (i) to (iv) and find outputs for SQL queries (v) to (viii), which are based on the tables.


Table: VEHICLE

Code VTYPE PERKM
101 VOLVO BUS 160
102 AC DELUXE BUS 150
103 ORDINARY BUS 90
105 SUV 40
104 CAR 20

Note:

•PERKM is Freight Charges per kilometer

•VTYPE is Vehicle Type

NO NAME TDATE KM CODE NOP
101 Janish Kin 2015-11-13 200 101 32
103 Vedika sahai 2016-04-21 100 103 45
105 Tarun Ram 2016-03-23 350 102 42
102 John Fen 2016-02-13 90 102 40
107 AhmedKhan 2015-01-10 75 104 2
104 Raveena 2015-05-28 80 105 4
106 Kripal Anya 2016-02-06 200 101 25

Note:

•NO is Traveller Number

•KM is Kilometer travelled

•NOP is number of travellers travelled in vehicle

•TDATE is Travel Date

(i) To display NO, NAME, TDATE from the table TRAVEL in descending order of NO.

(ii) To display the NAME of all the travellers from the table TRAVEL who are travelling by vehicle with code 101 or 102.

(iii) To display the NO and NAME of those travellers from the table TRAVEL who travelled between ‘2015-12-31 ’and ‘2015-04-01 ’.

(iv) To display all the details from table TRAVEL for the travellers, who have travelled distance more than 100 KM in ascending order of NOP.

(v) SELECT COUNT (*), CODE FROM TRAVEL GROUP BY CODE HAVING COUNT(*)>1;

(vi) SELECT DISTINCT CODE FROM TRAVEL;

(vii) SELECT A.CODE,NAME,VTYPE FROM TRAVEL A,VEHICLE B WHERE A.CODE=B. CODE AND KM <90;

(viii) SELECT NAME,KM*PERKM FROM TRAVEL A, VEHICLE B WHERE A.CODE=B.CODE AND A.CODE=‘105 ’;


Write definition of a function MSEARCH(STATES) to display all the state names from a list of STATES, which are starting with alphabet M.
For example:
If the list STATES contains

The following should get displayed
MP
MH
MZ