View the Exhibit and examine the parameters.
User A executes the following command to update the TRANS table:
SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code=’C005′;
Before user A issues a COMMIT or ROLLBACK command, user B executes the following command on the TRANS table:
SQL> ALTER TABLE trans MODIFY (tr_type VARCHAR2(3));
What would happen in this scenario?
A.
The ALTER TABLE command modifies the column successfully
B.
The DDL operation gets higher priority and transaction for user A is rolled back
C.
The ALETER TABLE command waits indefinitely until user A ends the transaction
D.
The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy