Last Updated: 6 Aug, 2021
Biggest Single Number
Moderate
Asked in company
Table my_numbers contains many numbers in column num including duplicated ones.
Can you write a SQL query to find the biggest number, which only appears once.
+---+
|num|
+---+
| 8 |
| 8 |
| 3 |
| 3 |
| 1 |
| 4 |
| 5 |
| 6 |
For the sample data above, your query should return the following result:
+---+
|num|
+---+
| 6 |
Note: If there is no such number, just output null.
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