Cosider the below given relational database model of Ticket Booking Application to develop an SQL query to display list of bus number and names where source and destination of a bus is the destination and source of another bus. Display unique records in ascending order by bus_no.
Cosider the below given relational database model of Ticket Booking Application to develop an SQL query to display list of bus number and names where source and destination of a bus is the destination and source of another bus. Display unique records in ascending order by bus_no.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:DBS-14.6:
Cosider the below given relational database model of Ticket Booking Application to develop
an SQL query to display list of bus number and names where source and destination of a bus
is the destination and source of another bus. Display unique records in ascending order by
bus_no.
BUSES
BUS NO
BUS_NAME varchar2(20) t
TYPE
TOTAL_SEATS number(11)
number(11)
SCHEDULE
varchar2(20) t
varchar2(3)
date d
varchar2(20) t
DESTINATION Vvarchar2(20) t
number(11)
number(11) #
SCHEDULE ID
TRAVEL DATE
SOURCE
AVAIL_SEATS number(11) #
BUS NO
BUS NO
DURATION
PAYMENTS
DISCOUNTS
PAYMENT_ID varchar2(3) t
DISCOUNT_ID
varchar2(3)
TICKET ID
BD ID
TICKET ID
O BD_ID
O DISCOUNT_ID varchar2(3),
varchar2(3)
number(11)
DISCOUNT_AMOUNT number(11)
DISCOUNT_ID
TICKETS
TICKET ID
varchar2(3) SCHEDULE ID
O SCHEDULE ID varchar2(3)
FARE
p USER_ID
NO_SEATS
number(11) #
number(11)
number(11) #
USER ID
USERS
number(11)
varchar2(20) t
ADDRESS varchar2(100) t
number(11) #
EMAILID varchar2(30) t
P primary key - not null
e foreign key
#1 data type - number
a| data type - date
t| data type - varchar2
USER ID
NAME
PHNO
CANCELLATION
CANCELLATION_ID varchar2(3)t
varchar2(3)
number(11) O
TICKET ID
BOOKINGDETAILS
PTICKET ID
O BD ID
BD ID
BD_ID number(11)
ACC_NO number(11)
NAME varchar2(10) t
O USER ID number(11)
USER ID
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