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Oracle database 10g:Administration I Sample Questions:

1. View the Exhibit and examine the output. Which statement describes the conclusion?

A) The shared pool size should be increased to accommodate the SQL statements.
B) Preparing indexes on the tables used in the SQL statements would improve the library cache performance.
C) The dictionary cache is consuming more space than the library cache.
D) The users should use bind variables instead of literals in the query.

2. Which two statements are true about the primary key constraint in a table? (Choose two.)

A) It is possible to have more than one primary key constraint in a single table.
B) The primary key constraint can be imposed by combining more than one column.
C) It is not possible to disable the primary key constraint.
D) The primary key constraint can be referred by only one foreign key constraint.
E) The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.

3. Examine the following commands executed in your database:
SQL> ALTER SESSION RECYCLEBIN=ON;
Session altered
SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;
Table created.
Further, you executed the following command to drop the table:
SQL> DROP TABLE emp;
Table dropped.
What happens in this scenario?

A) The table is moved to the SYSTEM tablespace.
B) The table is removed from the database permanently.
C) The table is moved to the SYSAUX tablespace.
D) The table is renamed and remains in the TBSFD tablespace.

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

5. Which two statements are true regarding a PL/SQL package body? (Choose two.)

A) It cannot be created without a package specification.
B) It can be changed and recompiled without making the package specification invalid.
C) It cannot invoke subprograms defined in other packages.
D) It can contain only the subprograms defined in the package specification.

Solutions: