Last Updated: 12 Aug, 2021
Reformat Department Table
Moderate
Table: Department
| Column Name | Data Type |
|---|---|
| id | INT |
| revenue | INT |
| month | VARCHAR |
- The table has information about the revenue of each department per month.
- The month has values in ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"].
Write an SQL query to reformat the table such that there is a department id column and a revenue column for each month.
The query result format is in the following example: Department table:
| id | revenue | month |
|---|---|---|
| 1 | 8000 | Jan |
| 2 | 9000 | Jan |
| 3 | 10000 | Feb |
| 1 | 7000 | Feb |
| 1 | 6000 | Mar |
Result table:
Note that the result table has 13 columns (1 for the department id + 12 for the months).
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