The InstantRide Finance team also wants to analyze travels where more than the average discount rate is applied. They want to look for any correlation between higher discount amounts against other travel characteristics. You need to create a SELECT statement which is filtered with a subquery to calculate the AVG of the TRAVEL_DISCOUNT column. Task: Find all travels where an above average discount was applied. (SQL Database Test)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Task 4:

The InstantRide Finance team also wants to analyze travels where more than the average discount rate is applied. They want to look for any correlation between higher discount amounts against other travel characteristics. You need to create a SELECT statement which is filtered with a subquery to calculate the AVG of the TRAVEL_DISCOUNT column.

Task: Find all travels where an above average discount was applied. (SQL Database Test)
DRIVER_ID
DRIVER_FIRST_NAME DRIVER_LAST_NAME DRIVER_DRIVING_LICENSE_ID
DRIVER_START_DATE DRIVER_DRIVING_LICENSE_CHECKED
DRIVER RATING
| 2001
Willie
Butler
1874501
2019-09-12
1
4.4
2002
Justin
Howard
1953853
2019-09-09
1
4.8
2003
Anthony
Walker
1735487
2019-09-15
3.5
2004
Ece
Yilmaz
1734747
2019-08-15
Transcribed Image Text:DRIVER_ID DRIVER_FIRST_NAME DRIVER_LAST_NAME DRIVER_DRIVING_LICENSE_ID DRIVER_START_DATE DRIVER_DRIVING_LICENSE_CHECKED DRIVER RATING | 2001 Willie Butler 1874501 2019-09-12 1 4.4 2002 Justin Howard 1953853 2019-09-09 1 4.8 2003 Anthony Walker 1735487 2019-09-15 3.5 2004 Ece Yilmaz 1734747 2019-08-15
TRAVEL_ID
TRAVEL_START_TIME
TRAVEL_END_TIME
TRAVEL_START_LOCATION
TRAVEL_END_LOCATION
TRAVEL_PRICE
DRIVER_ID
CAR_ID
USER_ID
TRAVEL_DISCOUNT
5001
2019-10-01 04:04:55
2019-10-01 04:14:19
9614 York Road
84 Church Lane
15.44
2001
1003
3005
NULL
5002
2019-10-01 05:57:33
2019-10-01 06:12:33
47 Church Street
68 High Street
20.56
2001
1003
3006
NULL
5003
2019-10-01 13:35:20
2019-10-01 13:45:10
2 Windsor Road
95 West Street
12.32
2002
1001
3002
NULL
5004
2019-10-02 08:44:48
2019-10-02 09:15:28
9060 Mill Lane
27 Main Road
30.49
2003
1002
3001
0.13
5005
2019-10-02 16:38:54
2019-10-02 16:48:10
2 Queensway
24 Mill Lane
11.15
2001
1003
3007
NULL
5006
2019-10-03 19:12:14
2019-10-03 19:23:45
50 Main Road
93 Broadway
14.61
2003
1002
3007
0.10
5007
2019-10-03 16:06:36
2019-10-03 16:08:56
39 Park Road
91 West Street
4.41
2002
1004
3003
0.14
5008
2019-10-03 17:17:12
2019-10-03 17:37:42
37 The Drive
17 Stanley Road
25.12
2001
1003
3001
0.25
5009
2019-10-03 21:16:48
2019-10-03 21:26:18
77 Mill Road
724 Springfield Road
13.55
2001
1003
3005
NULL
5010
2019-10-03 23:21:40
2019-10-03 23:39:10
16 Church Road
30 North Road
25.62
2003
1002
3003
0.20
Transcribed Image Text:TRAVEL_ID TRAVEL_START_TIME TRAVEL_END_TIME TRAVEL_START_LOCATION TRAVEL_END_LOCATION TRAVEL_PRICE DRIVER_ID CAR_ID USER_ID TRAVEL_DISCOUNT 5001 2019-10-01 04:04:55 2019-10-01 04:14:19 9614 York Road 84 Church Lane 15.44 2001 1003 3005 NULL 5002 2019-10-01 05:57:33 2019-10-01 06:12:33 47 Church Street 68 High Street 20.56 2001 1003 3006 NULL 5003 2019-10-01 13:35:20 2019-10-01 13:45:10 2 Windsor Road 95 West Street 12.32 2002 1001 3002 NULL 5004 2019-10-02 08:44:48 2019-10-02 09:15:28 9060 Mill Lane 27 Main Road 30.49 2003 1002 3001 0.13 5005 2019-10-02 16:38:54 2019-10-02 16:48:10 2 Queensway 24 Mill Lane 11.15 2001 1003 3007 NULL 5006 2019-10-03 19:12:14 2019-10-03 19:23:45 50 Main Road 93 Broadway 14.61 2003 1002 3007 0.10 5007 2019-10-03 16:06:36 2019-10-03 16:08:56 39 Park Road 91 West Street 4.41 2002 1004 3003 0.14 5008 2019-10-03 17:17:12 2019-10-03 17:37:42 37 The Drive 17 Stanley Road 25.12 2001 1003 3001 0.25 5009 2019-10-03 21:16:48 2019-10-03 21:26:18 77 Mill Road 724 Springfield Road 13.55 2001 1003 3005 NULL 5010 2019-10-03 23:21:40 2019-10-03 23:39:10 16 Church Road 30 North Road 25.62 2003 1002 3003 0.20
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