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?

Question

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?

Accepted Answer

D. The second user's session waits for a time period before producing the resource busy error.

Answer

A. A deadlock is created.

Answer

B. The second user's command executes successfully.

Answer

C. The second user's session immediately produces the resource busy error.

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…

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