Write-Only Permissions

Kenneth Fisher looks at granting write permissions but no read permissions to a user:

Now wait, why are they getting a read error when trying to UPDATE or DELETE? Because of the WHERE clause. The WHERE requires reading the data to see if a row meets the required conditions.

It turns out that write-only permissions don’t really work the way you’d want, as typically you want to read data even if your final goal is to update or delete rows.

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