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Oracle database 10g:Administration I Sample Questions:

1. The application development team has developed PL/SQL procedures and functions for different purposes and calls them as and when required. The loading of individual procedures or functions into memory degrades performance with every call. Also, it causes a security problem for individual subprograms and loss of program units when the whole system is transported into a new location. Which method would you recommend to the application developers to solve this problem?

A) avoiding the use of cursors in the subprograms
B) referring to views instead of tables inside the subprograms
C) creating PL/SQL packages to include interrelated subprograms
D) using anonymous PL/SQL blocks instead of subprograms

2. Your database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups? (Choose three.)

A) The backups would be inconsistent.
B) The backups need to be restored and database has to be recovered in case of a media failure.
C) The backups would be possible only if the database is running in NOARCHIVELOG mode.
D) The backups need not be restored during recovery in case of a media failure.
E) The backups would be consistent.
F) The backups would be possible only if the database is running in ARCHIVELOG mode.

3. You work in a data warehouse environment that involves the execution of complex queries. The current content of the SQL cache holds the ideal workload for analysis. You want to analyze only few most resource-intensive statements. What would be your suggestion to receive recommendations on the efficient use of indexes and materialized views to improve query performance?

A) Run the Automatic Database Diagnostic Monitor (ADDM).
B) Run the SQL Access Advisor.
C) Run the Automatic Workload Repository (AWR) report.
D) Run the SQL Tuning Advisor (STA).

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

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

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

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

Solutions: