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Oracle database 10g:Administration I Sample Questions:

1. Data files of which three tablespaces can be recovered by performing an open recovery? (Choose three.)

A) INDEX
B) SYSAUX
C) UNDO
D) TEMP
E) SYSTEM

2. You have a large amount of historical data in an operating system file. Some analysts in your organization need to query this data. The file is too large to load into your current database. Which is the most effective method to accomplish the task?

A) Load the data into your database by using the PARALLEL clause.
B) Upgrade the hardware/memory to accommodate the data.
C) Use an external table so you can have the metadata available in your database, but leave the data in the operating system files.
D) Give analysts DBA privilege, so that they can query DBA_EXTERNAL_TABLES.

3. Which two statements are true about a bitmap index? (Choose two.)

A) It has a bitmap segment for each distinct value in the key column, containing a string of bits in which each bit represents the presence or absence of a key column value.
B) Updating the key column locks the whole bitmap segment that contains the bit for the key value to be updated.
C) It can be converted to a B-tree index by using the ALTER INDEX command.
D) It is recommended for the columns that have unique values.

4. You are working on a database created with the Oracle Database 10g software in which the initialization parameter COMPATIBLE is set to 10.0.0. The hr_tbs tablespace in the database is created as follows:
CREATE TABLESPACE hr_tbs DATAFILE '/oracle/oradata/hr_tbs.dbf' SIZE 50M;
View the Exhibit to see the properties of the database.
Which statement is correct in this scenario?

A) All the tablespaces in the database will be locally managed by default.
B) hr_tbs is a dictionary-managed tablespace.
C) All the tablespaces in the database must be of the smallfile tablespace type.
D) The tablespace type bigfile or smallfile must be mentioned in the command.
E) hr_tbs is a bigfile tablespace.

5. You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data, you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database?

A) use the direct path data load of Oracle export and import utility
B) use the Oracle Data Pump export and import utility
C) use the external table population
D) use the conventional path data load of SQL*Loader utility

Solutions: