View the Exhibit for some of the current parameter settings.
A user logs in to the HR schema and issues the following commands:
SQL> CREATE TABLE emp
(empno NUMBER(3),
ename VARCHAR2(20),
sal NUMBER(8,2));
SQL> INSERT INTO emp(empno,ename) VALUES(1,’JAMES’); At this moment, a second user also logs in to the HR schema and issues the following command:
SQL> ALTER TABLE emp MODIFY sal NUMBER(10,2);
What happens in the above scenario?
A.
A deadlock is created.
B.
The second user’s command executes successfully.
C.
The second user’s session immediately produces the resource busy error.
D.
The second user’s session waits for a time period before producing the resource busy error.