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Oracle 1Z0-045 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Backup and Recovery Enhancements | - Flashback technology and point-in-time recovery improvements - Recovery Manager (RMAN) new features in 10g |
| Topic 2: Security and Management Features | - Enhanced authentication and user management - Auditing and database security improvements |
| Topic 3: Database Administration Enhancements | - Automatic Storage Management (ASM) overview and usage - Automated maintenance tasks and advisors |
| Topic 4: SQL and PL/SQL New Features | - New SQL functions and optimizations in Oracle 10g - PL/SQL performance improvements and enhancements |
| Topic 5: Oracle Database Architecture and Upgrade Concepts | - Database upgrade and compatibility changes from Oracle8i to Oracle 10g - Initialization parameters and instance management changes |
| Topic 6: Performance Tuning and Monitoring | - Automatic Workload Repository (AWR) and advisory framework - SQL tuning enhancements and execution plan improvements |
Oracle database 10g:new features for Oracle8i ocps Sample Questions:
Question 1
You created a tablespace with the following statement:
CREATE BIGFILE TABLESPACE adtbs DATAFILE '/proddb/data/adtbs.dbf' SIZE 10G;
There is now a requirement to increase the size of the tablespace.
Which two ALTER statements are correct in this scenario? (Choose two.)
A. ALTER TABLESPACEadtbs MODIFY DATAFILE '/proddb/data/adtbs.dbf' AUTOEXTEND ON;
B. ALTER TABLESPACEadtbs RESIZE 20G;
C. ALTER TABLESPACEadtbs ADD DATAFILE '/proddb/data/adtbs1.dbf' SIZE 10G;
D. ALTER TABLESPACEadtbs ADD DATAFILE;
E. ALTER TABLESPACEadtbs AUTOEXTEND ON;
Question 2
While creating an Oracle 10g Release 1 (10.1) database, you set the COMPATIBLE parameter to
10.0.0 in the initialization parameter file. Which two statements are true in this situation? (Choose two.)
A. You can assign any value to the COMPATIBLE parameter, but the parameter would still take the default value as 10.0.0.
B. You can change the setting of the COMPATIBLE parameter to 9.2.0.2.
C. You can use all the new features in 10g.
D. You can advance the compatibility of your database with the COMPATIBLE initialization parameter.
Question 3
View the Exhibit. You want to unload data from the ORDERS, ORDER_ITEMS, and PRODUCTS database tables to four OS flat files by using the External Table Population method. To achieve this objective, you execute the command shown on the Exhibit. After successful execution of the command, you find that only two files have been created and not four. Which option do you need to change to achieve your objective?
A. LOCATION
B. ORGANIZATION EXTERNAL
C. TYPE
D. DEFAULT DIRECTORY
E. PARALLEL
Question 4
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 7, because the file name must have a .dat extension
E. line 9, because the PARALLEL option cannot be specified with one file name
F. line 5, because ORACLE_LOADER is not a valid structure for external table creation with the SELECT statement
Question 5
Which process performs the rebalance data extent movements across ASM disk groups in ASM?
A. System Monitor (SMON)
B. ASM Rebalance Master (RBAL)
C. Process Monitor (PMON)
D. ASM Background (ASMB)
E. Checkpoint (CKPT)
F. ASM Rebalance (ARBn)
Solutions:
| Question 1 Answer: B,E | Question 2 Answer: C,D | Question 3 Answer: E | Question 4 Answer: F | Question 5 Answer: F |




