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All the database users are presently connected to the database instance and working. The HR userhas opened three database sessions and executed the following command in one of his 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 executed the above commands.  Which sessions can seethe effect of the UPDATE and DELETE commands ()

发布日期:2020-04-10

All the database users are presently connected to ...
A

all sessions of the HR user only

B

all sessions of the HR user and the SYS user

C

the session of the HR user that executed the commands

D

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

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