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All database users are currently connected to the database instance and are working.

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All database users are currently connected to the database instance and are working. The HR user opens three database sessions and executes this command in one of the sessions:

SQL> UPDATE persons SET ccode='U031' WHERE ccode='U029';

123 rows updated.

SQL> DELETE FROM persons WHERE exp='Y';

3 rows deleted.

The SYS user opens a new session after HR executes the preceding commands. Which option represents the sessions that can see the effect of the UPDATE and DELETE commands?

A.

all sessions of the HR user

B.

all sessions of the HR user and the SYS user

C.

the session of the HR user that executed the commands

D.

all sessions for which database users have access privileges to the PERSONS table

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Examine the table:Table name: PRODUCTSSchema: SCOTTTablespace: USERSOrganization: Standard (Heap Organized)This table contains 20 rows.
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