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Oracle database 10g:Administration I Sample Questions:

1. Which two are valid locking levels that are used by transactions in an Oracle database? (Choose two.)

A) database level
B) object level
C) row level
D) schema level
E) block level

2. A user receives the following error while executing a query:
ORA-01555: snapshot too old
Which two options can be the solutions to avoid such errors in future? (Choose two.)

A) increase the size of redo log files
B) increase the size of the undo tablespace
C) enable the retention guarantee for the undo tablespace
D) increase the size of the default temporary tablespace
E) increase the size of the Database Buffer Cache

3. A user complains that he gets the following error message repeatedly after executing some
SQL statements. The error message forces the user to log off from and log on to the database to continue his work.
ORA-02392: exceeded session limit on CPU usage, you are being logged off
Which action would you take to increase the session limit on CPU usage?

A) Modify the profile assigned to the user.
B) Modify the roles assigned to the users.
C) Modify the system privileges assigned to the users.
D) Modify the object privileges assigned to the user.
E) Modify the value for the RESOURCE_LIMIT parameter in the parameter file.

4. While running the Oracle Universal Installer on a Unix platform to install Oracle Database 10g software, you are prompted to run orainstRoot.sh script. What does this script accomplish?

A) It creates the pointer file.
B) It creates the Inventory pointer file.
C) It creates the base directory.
D) It modifies the Unix kernel parameters to match Oracle's requirement.
E) It creates the Oracle user for installation.

5. 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 fails due to the resource being busy.
B) The transaction for user A is rolled back.
C) The ALTER TABLE command waits until user A ends the transaction.
D) The ALTER TABLE command modifies the column successfully.

Solutions: