Oracle Database Advanced PL SQL 12c 1z0 148

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You are connected as SCOTT who has an EMP table with this structure:

Examine this code

Assuming the default edition is ORA$BASE, which is correct?

The query will return records pertaining to department 30 with SAL and COMM values displayed as NULL.
The query will return records pertaining to department 20.
The query will return records pertaining to department 20 with SAL and COMM values displayed as NULL.
The query will return records pertaining to department 30.

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