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 kilometre
- VTYPE is Vehicle Type
Table: TRAVEL
NO |
NAME |
TDATE |
KM |
CODE |
NOP |
101 |
Janish |
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 |
Ahmed Khan |
2015-01-10 |
75 |
104 |
2 |
104 |
Raveena |
2016-05-28 |
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
- To display NO, NAME, TDATE from the table TRAVEL in descending order of NO.
- To display the NAME of all the travellers from the table TRAVEL who are travelling by vehicle with code 101 or 102.
- To display the NO and NAME of those travellers from the table TRAVEL who travelled between ‘2015â12â31’ and ‘2015â04â01’.
- To display all the details from table TRAVEL for the travellers, who have travelled distance more than 100 KM in ascending order of NOP.
- SELECT COUNT(*), CODE FROM TRAVEL
GROUP BY CODE HAVING COUNT(*)>1;
- SELECT DISTINCT CODE FROM TRAVEL;
- SELECT A.CODE,NAME,VTYPE
FROM TRAVEL A,VEHICLE B
WHERE A.CODE=B.CODE AND KM<90;
- SELECT NAME,KM*PERKM
FROM TRAVEL A,VEHICLE B
WHERE A.CODE=B.CODE AND A.CODE=’105’;
Answer
Long Answer
- SELECT NO, NAME, TDATE FROM TRAVEL
ORDER BY NO DESC;
- SELECT NAME FROM TRAVEL
WHERE CODE IN (‘101’,’102’)
- SELECT NO, NAME from TRAVEL
WHERE TDATE <= ‘20151231’AND TDATE >= ‘20150401’;
- SELECT * FROM TRAVEL
WHERE KM > 100 ORDER BY NOP;
- COUNT(*) CODE
2 101
2 102
- DISTINCT CODE
101
102
103
104
105
-
CODE |
NAME |
VTYPE |
104 |
Ahmed Khan |
CAR |
105 |
Raveena |
SUV |
-
NAME |
KM*PERKM |
Raveena |
3200 |