Title:- I’m Here -Taxi Reservation

Declaration:

We hold a copy of this assignment that we can produce if the original is lost or damaged.

We hereby certify that no part of this assignment has been copied from any other group’s work or from any other source. No part of this assignment has been written / produced for our group by another person except where such collaboration has been authorized by the subject lecturer/tutor concerned.

Group Members:

Student ID Student Name Signature

BM14047398 D.M Wijayasinghe

BM14413070 D.K.S.M Munasinghe

BM 14404160. S.N.M.N.S Kosgolla

BM 12416172 P.P.L.N.D Jayaratne

BM14418648 T.Nivedha

Note: An examiner or lecturer/tutor has the right not to mark this assignment if the above declaration has not been signed

Database Management Systems

Assignment

The ER diagram

Passenger

P_ID

Fname

Lname

Address

Phone

Make Reservation

ResID

Date

Select

Package

PKID

Name Dis_Ratee

Vehicle

V_Type

V_number

Seat_c

Air_cType

Have Driver

D_ID

F_name

L_name

Age

NIC

dl_no

Phone Take

Trip

TridP_location

D_Location

Distance

1

Wating_time

1

1

1 1

N

1

Provided by

Company

Proid Name1

1

Trip_fare

N

AddressPhone

WTC

Make

1

Call

C_id

Date

N

Description

Ratting

V_id

Promo_code

Duration

Give1

1

1

N

The Relational schema

Passenger (P_ID, Fname, Lname, Address, Phone)

Reservation (Res_id, V_type,Date_promo_code,PID, PkID)

Package (PKID, Name, Dis_rate, Wtc)

Vehicle (V_id ,V_number, Type, color, model, Air_c, Seat_c, D_id, Pro_id)

Company (Pro_id, Name, Address, phone)

Driver (D_id, Age, DL_NO, Fname, Lname, NIC, Phone, NIC, Rating)

Call (C_ID , Date, Duration, Destination, D_id)

Trip (Trid , P_location, D_location, Distance, waiting_time, Tirp_fare, Res_id, V_id)

Create table & insert records - SQL queries

create table passenger(P_id int,fname varchar(25),lname varchar(25),address varchar(50),phone intconstraint pk_p primary key (p_id) )

create table package(pkid int,name varchar(6),WTC real,dis_rate real ,constraint pk_P1 primary key (pkid))

create table company(proid int,name varchar(50),address varchar(25),phone char(12)constraint pk_c primary key (proid))

create table vehicle(vid int,d_id int,vnumber char(8),proid int,type varchar(6),Colour Varchar(20),Model varchar (50),Air_c varchar(10),seat_c int,constraint pk_v primary key (vid),constraint fk_v foreign key (proid) references company,constraint fk_d foreign key (d_id) references driver,constraint ty_pe check (type in('TUK','MINI','CAR')),constraint air check (Air_C in('A/C','Non A/C')))

create table driver(d_id int,fname char(20),lname char(20),Nic char(10),age char(2),dl_no char(10),phone char(12),rating intconstraint pk_d primary key (d_id), constraint D_g check(age<50),constraint rate check(rating<10))

create table calls(c_id int,D_id int,date date,duration time,description char(50),constraint cid primary key (C_id),constraint Did foreign key (d_id) references driver )

create table reservation(resid int,pkid int,pid int,v_type varchar(6),date datetime,promo_code char(10),constraint pk_r primary key (resid),constraint FK_p foreign key (pid) references passenger(P_id),constraint FK_r foreign key (pkid) references package (pkid)

)

create table trip(trid int,resid int,vid int,P_location char(25),D_location char(25),distance int,waiting_time int,trip_fare money,constraint pk_id primary key (trid),constraint rs_id foreign key (resid) references reservation (resid), constraint v_id foreign key (vid) references vehicle (vid) )

insert into package values (1,'gold',0.5,0.20)

insert into vehiclevalues ('2','4','AAR6595','1','TUK' ,'Blue','Bajaj','Non A/C','3')

insert into drivervalues ('4' ,'Somawardane', 'Siyasinghe', '741921650V', '42', 'B1529770',

'716308207' ,'8')

insert into passenger values (2,'Sunimal','Rodrigo','329/7,jubili lane,walana,panadura','778751217' )

insert into companyvalues ('1','Link Lanka','Galle rd colombo','011 7 533544')

insert into reservation values (1,1,1,'Car','2016-04-16','Airtel')

insert into tripvalues(1,1,15,'Kollupitiya Junction','Kaduwela bus Stand','16','5','650'

)

1. Retrieve the Passengers details whose first name starting with letter A to N.

select *from passengerwhere fname like '[A-n]%'

2. Retrieve details of the drivers who’s rating more than 5 and age less than 35

select *from driverwhere rating>5 and age<35

3. Retrieve the details of all Tuk type vehicles

select *from vehicle where type='TUK'

4. Retrieve the number of vehicles for each type of vehicles

select Type,count(type) as 'number of vehicles' from vehiclegroup by type

5. Retrieve the names of the drivers who have mini type vehicles and their model

select d.fname,d.lname,v.model from vehicle v,driver d where d.d_id=v.d_id and v.type='mini'

6. Retrieve the pick location, Drop location and waiting time cost for all trips

select t.P_location,d_location,p.wtc*t.waiting_time as 'waiting time cost'from reservation r,package p,trip twhere p.pkid=r.pkid and t.resid= r.resid order by [waiting time cost]

7. Retrieve the all the driver;s names who have trip fare more than driver id 4’s trip fare

select d.fname,d.lname,v.vid,v.type,sum(t.trip_fare) as 'Total Trip Fare'

from vehicle v,trip t,driver d where t.vid=v.vid and v.d_id=d.d_id group by d.fname,d.lname,v.vid,v.typehaving sum(t.trip_fare)>(select sum(t.trip_fare) as 'Total Trip Fare'from vehicle v,trip t,driver d where t.vid=v.vid and v.d_id=d.d_id and d.d_id=4)

8. Retrieve the total income by each vehicle and got more than 3000

select v.vid,sum(t.trip_fare) as 'Total income'from trip t,vehicle vwhere t.vid=v.vid group by v.vidhaving sum(t.trip_fare)>3000order by [Total income]

9. Retrieve the names of the drivers with corresponding with their vehicle number and vehicle type

select d.fname,d.lname,v.vnumber,v.type from vehicle v,driver dwhere v.d_id=d.d_id

10. Retrieve the pick_location , drop_location, waiting cost for all trips by waiting time cost descending order

select t.P_location,d_location,p.wtc*t.waiting_time as 'waiting time cost'

from reservation r,package p,trip twhere p.pkid=r.pkid and t.resid= r.resid order by [waiting time cost] desc

11. Retrieve the driver id, name and rating whose rating equal to driver id 4

select d_id ,fname,lnamefrom driverwhere rating =(select ratingfrom driverwhere d_id=4) and d_id<>4

12. Retrieve the vehicle id and average waiting time where greater than average waiting time of vehicle id=2

select vid,avg(waiting_time )'Average waiting time'from tripgroup by vid having avg(waiting_time)<(select avg(waiting_time)from tripwhere vid=2)

13. Retrieve the information such as driver full name, vehicle id and type where total trip fare greater than 1500 and order by according to trip fare

select d.fname,d.lname,v.vid,v.type,sum(t.trip_fare) 'Total Trip Fare' from vehicle v,trip t,driver d where t.vid=v.vid and v.d_id=d.d_id group by d.fname,d.lname,v.vid,v.typehaving sum(t.trip_fare)>1500 order by sum(t.trip_fare) desc

14.