单项选择题
A. The switch privilege is granted to the PROG_ROLE role.
B. The users granted the role PROG_ROLE will be able to switch to the DEVELOPERS group.
C. The users cannot grant the switch privilege to other users.
D. The above code will not be executed successfully because the GRANT_SWITCH_CONSUMER_GROUP procedure is an invalid procedure in Oracle10g.
单项选择题 You want to enable the user， Scott， to change to the GRP1 consumer group by issuing the following code： SQL> EXEC DBMS_SESSION.SWITCH_CURRENT_CONSUMER_GROUP （’SCOTT’， ’GRP1’， FALSE）； How will you grant the switch privilege to the user， Scott？（）
单项选择题 You issue the following code： EXEC DBMS_RESOURCE_MANAGER_PRIVS.GRANT_SWITCH_CONSUMER_GROUP （’SCOTT’ ’GRP1’， TRUE）； What will be the result of executing the above code？（）
单项选择题 You updated the resource plan directive for the resource consumer group， DSS_USERS. The resource plan directive is assigned to the DSS_PLAN by using the following statement： SQL>EXEC DBMS_RESOURCE_MANAGER.UPDATE_PLAN_DIRECTIVE （PLAN => ’DSS_PLAN’， GROUP_OR_SUBPLAN => ’DSS_USERS’， NEW_CPU_P1 => 80， NEW_SWITCH_GROUP => ’CANCEL_SQL’， NEW_SWITCH_ESTIMATE => TRUE， NEW_SWITCH_TIME => 600）； A user connects to the database and starts an operation. What is the outcome if Oracle estimates that the execution time for this operation will exceed 600 seconds？（）