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Oracle 1Z0-045 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Installation and Upgrade | 15% | - Automatic Storage Management (ASM) introduction - New initialization parameters - Upgrade considerations from 8i to 10g |
| Security and Manageability | 15% | - Regular expression support - Database Scheduler - LogMiner improvements - Server-generated alerts |
| Database Storage and Space Management | 15% | - Online segment shrink - Locally managed tablespace enhancements - Bigfile tablespaces - Automatic undo management improvements |
| Performance and Diagnostics | 20% | - Automatic Database Diagnostic Monitor (ADDM) - Automatic Workload Repository (AWR) - SQL Tuning Advisor and Access Advisor - Resource Manager enhancements |
| Other New Features | 15% | - Transaction management enhancements - Data Pump Export/Import - Online redefinition improvements |
| Backup and Recovery | 20% | - RMAN enhancements - Fast recovery area - Recovery through RESETLOGS - Flashback technology |
Oracle database 10g:new features for Oracle8i ocps Sample Questions:
You enabled Flashback Database with the following command:
ALTER DATABASE FLASHBACK ON;
Which view would you query to determine whether the Flashback Database has been enabled?
- A. V$SGA
- B. V$FLASHBACK_DATABASE_LOG
- C. V$INSTANCE
- D. V$DATABASE
- E. V$FLASHBACK_DATABASE_STAT
- F. V$FLASHBACK_DATABASE_LOGFILE
Correct Answer: D 🗳️
You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?
- A. Segment Advisor
- B. Segment Resource Estimation
- C. SQL Tuning Advisor
- D. Automatic Database Diagnostic Monitor (ADDM)
- E. SQL Access Advisor
Correct Answer: A 🗳️
Examine the following command to create an external table from EMPLOYEES and DEPARTMENTS database tables.
1.CREATE TABLE employee_ext
2.(employee_id, first_name, last_name, department_name)
3.ORGANIZATION EXTERNAL
4.(
5.TYPE ORACLE_LOADER
6.DEFAULT DIRECTORY ext_dir
7.LOCATION ('emp1.dmp')
8.)
9.PARALLEL
10.
AS
11.
SELECT e.emplyee_id,e.first_name,e.last_name,d.department_name
12.
FROM employees e, departments d;
Which line of the command would cause an error?
- A. line 12, because there is no join defined between EMPLOYEES and DEPARTMENTS tables
- B. line 2, because the column names have been specified
- C. line 3, because ORGANIZATION EXTERNAL has been specified
- D. line 9, because the PARALLEL option cannot be specified with one file name
- E. line 7, because the file name must have a .dat extension
- F. line 5, because ORACLE_LOADER is not a valid structure for external table creation with the SELECT statement
Correct Answer: F 🗳️
Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?
- A. manually enter the appropriate data again
- B. determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
- C. flashback the database to before the transaction was committed
- D. point-in-time recovery
- E. execute the ROLLBACK command with transaction number
Correct Answer: B 🗳️
What are three benefits provided by the enhanced Unicode support? (Choose three.)
- A. support for fixed-width character encoding
- B. Unicode support in the database character set
- C. richer support for more character sets, languages, and territories
- D. support for the AL24UTFFSS character set
Correct Answer: A,B,C 🗳️
Nelson 
Burton 
Bishop 
Daisy 
Megan 
Channing 
Bridget 
Drew 
Athena 
Elizabeth 
Joy 
Kent 
