I want to delete only the repeated records that belong to the office. Should remain one of the greatest ID. Repeated phones with different offitseId must remain.
id officeId phone
1 10 111
2 11 222
3 11 222
4 12 111
5 13 444
6 14 555
7 14 555
Below is the query that deletes all repeated phone without complies with…
Delete duplicate rows but keep one.
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