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Oracle database 10g:Administration I Sample Questions:

1. View the Exhibit and analyze the CREATE TABLE statements used to create the ITEMS and ORDERS tables.
The ITEMS table has 50 rows and ORDERS table has 500 rows. Because you decide to not deal with the item code 188 in future, you execute the following command to remove the item:
SQL> DELETE FROM items WHERE item_code=188;
What is the effect of this command?

A) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are populated with
NULL values in their ITEM_CODE columns.
B) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the dependent rows in the ORDERS table are also deleted automatically.
C) The command fails with integrity violation error.
D) The row containing the value 188 corresponding to the ITEM_CODE column is deleted from the ITEMS table, and the foreign key constraint is disabled in the ORDERS table.

2. Which two statements are true regarding the SGA_TARGET initialization parameter? (Choose two.)

A) Reducing the value of the SGA_TARGET parameter takes away memory from both autotuned and manually sized components.
B) Increasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the automatic shared memory management feature.
C) Increasing the value of the SGA_TARGET parameter distributes the increased memory among all the autotuned components.
D) It can be increased up to the value of the SGA_MAX_SIZE parameter.

3. In your database, the STATISTICS_LEVEL initialization parameter is set to BASIC. What is
the impact of this setting?

A) Snapshots cannot be collected manually by using DBMS_WORKLOAD_REPOSITORY PACKAG
B) The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
C) Only the timed operating system (OS) statistics and plan execution statistics are collected.
D) The optimizer statistics are collected automatically.
E) The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.

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

5. View this parameter setting in your database:
DB_CREATE_FILE_DEST='D:\oracle\product\10.2.0\oradata\oracle'
You created a tablespace by using this command:
CREATE TABLESPACE USERS;
Which two statements are true about the USERS tablespace? (Choose two.)

A) Data files belonging to the USERS tablespace cannot be renamed.
B) Data files are created with names generated by the instance.
C) The tablespace has two data files.
D) The tablespace can be extended without specifying the data file.
E) An error is reported and tablespace creation fails.

Solutions: