Name
Sales
Bill
Bill
Bill
Sarah
Sarah
Jane
Sarah
Alice
Bill
9
12
12
15
16
20
10
11
16
File A
Bill
Bill
Bill
9
12
12
File B
Sarah
Sarah
Jane
15
16
20
File C
Sarah
Alice
Bill
10
11
16
File D
Sarah
Alice
14
35
WHERE Sales > 14
Transaction Log
Task 1 01/01/2026 Load file A Sales column: min 9, max 12
Load file B Sales column: min 15, max 20
Load file C Sales column: min 10, max 16
Load file D Sales column: min 14, max 35
RUN OPTIMIZE COMMAND