Table:
0
A
B
C
D
E
F
G
H
1
detention id
detention type code
teacher id
datetime detention start
datetime detention end
detention summary
other details
detention
2
1
AFTER
7
2017-09-05 00:38:25
2018-03-08 02:08:32
3
2
AFTER
14
2018-01-10 08:09:02
2018-03-07 04:24:48
4
3
BREAK 
11
2017-12-14 06:40:29
2018-03-08 09:16:38
5
4
AFTER
8
2017-06-09 06:13:09
2018-03-21 19:34:56
6
5
BREAK 
3
2017-08-25 12:00:46
2018-03-11 13:21:07
7
6
BREAK 
12
2017-10-20 22:34:44
2018-03-11 12:58:40
8
7
BREAK 
15
2018-02-19 11:44:52
2018-03-17 12:35:41
9
8
BREAK 
5
2017-11-26 15:05:05
2018-03-16 01:37:25
10
9
LUNCH
15
2017-10-30 16:04:00
2018-03-22 20:15:47
11
10
AFTER
15
2018-01-29 20:43:45
2018-03-05 03:31:24
12
11
AFTER
8
2017-10-03 18:44:31
2018-03-03 14:58:43
13
12
LUNCH
3
2018-01-20 19:06:56
2018-02-25 07:20:30
14
13
BREAK 
10
2017-08-02 07:46:39
2018-03-10 14:58:31
15
14
AFTER
12
2017-12-18 13:47:51
2018-03-04 20:52:51
16
15
LUNCH
11
2017-08-21 06:41:29
2018-03-13 20:37:39

Questions and formulas:
Question: Return all distinct detention type codes.
Formula: UNIQUE(B1)
Formula2: UNIQUE(B2:B16)
Level: easy
Question: Return all detention summaries.
Formula: F1
Formula2: F2:F16
Level: easy
Question: What are the detention type codes?
Formula: UNIQUE(B1)
Formula2: UNIQUE(B2:B16)
Level: easy
Question: What are the detention summaries?
Formula: UNIQUE(F1)
Formula2: UNIQUE(F2:F16)
Level: easy