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Oracle 1Z0-045 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security and Management Features | - Auditing and database security improvements - Enhanced authentication and user management |
| Backup and Recovery Enhancements | - Flashback technology and point-in-time recovery improvements - Recovery Manager (RMAN) new features in 10g |
| Oracle Database Architecture and Upgrade Concepts | - Database upgrade and compatibility changes from Oracle8i to Oracle 10g - Initialization parameters and instance management changes |
| Database Administration Enhancements | - Automated maintenance tasks and advisors - Automatic Storage Management (ASM) overview and usage |
| Performance Tuning and Monitoring | - SQL tuning enhancements and execution plan improvements - Automatic Workload Repository (AWR) and advisory framework |
| SQL and PL/SQL New Features | - PL/SQL performance improvements and enhancements - New SQL functions and optimizations in Oracle 10g |
Oracle database 10g:new features for Oracle8i ocps Sample Questions:
1. What must you do to enable Automated SQL Execution Memory Management?
A) Unset the instance parameters SORT_AREA_SIZE, BITMAP_MERGE_AREA_SIZE, CREATE_BITMAP_AREA_SIZE, HASH_AREA_SIZE, SORT_AREA_SIZE, and SORT_AREA_RETAINED_SIZE.
B) Set the instance parameter PGA_AGGREGATE_TARGET and WORKAREA_SIZE_POLICY to appropriate values.
C) Execute the DBMS_STATS.GATHER_SYSTEM_STATS procedure with appropriate values
D) Set the instance parameters SORT_AREA_SIZE, BITMAP_MERGE_AREA_SIZE, CREATE_BITMAP_AREA_SIZE, HASH_AREA_SIZE, SORT_AREA_SIZE, and SORT_AREA_RETAINED_SIZE all to AUTO.
2. You are working on a database that was created using Oracle Database 10g; the default tablespace type property was not changed. You execute the following statement to create a tablespace, mytbs:
CREATE TABLESPACE mytbs DATAFILE '/u1/data/mytbs.dbf' SIZE 100M;
Which two statements are correct regarding the mytbs tablespace? (Choose two.)
A) It is a locally managedtablespace.
B) It is a defaultbigfile tablespace.
C) It is asmallfile tablespace.
D) It is abigfile tablespace (BFT).
E) It is a dictionary-managedtablespace.
3. The Automatic Database Diagnostic Monitor (ADDM) analysis runs every 60 minutes on your database. Your database is facing a series of interrelated problems over a period of two hours. You need to ensure that the ADDM analysis is run over a time span of two hours in future. What would you do?
A) Create a new scheduler window for a time period of two hours.
B) Create two custom ADDM tasks.
C) Modify the time interval by using the DBMS_JOB.INTERVAL procedure.
D) Modify the Automatic Workload Repository (AWR) snapshot retention period to two hours.
E) Modify the AWR snapshot time interval to two hours.
4. Which task would you perform to convert little-endian CLOB data to the big endian format while transporting from a database created in an earlier version of Oracle to an Oracle 10g database?
A) No action is required because Oracle RDBMS implicitly does the conversion in Oracle 10g database while accessing the data.
B) Transport the data after changing the character set to be anendian-independent format in the target database.
C) Use the CONVERT command of the RMAN utility.
D) Transport the data after changing the character set of the target database to bigendian.
E) Use the CHANGE command of the RMAN utility.
5. Which three file types are managed by Data Pump jobs? (Choose three.)
A) alert files
B) out files
C) error files
D) dump files
E) SQL files
F) log files
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,C | Question # 3 Answer: E | Question # 4 Answer: A | Question # 5 Answer: D,E,F |






