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Oracle 1Z0-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Database Management | - User and privilege management - Managing database instances - Managing storage structures |
| Database Installation and Configuration | - Installing Oracle Database 10g software - Oracle Net Services configuration basics - Creating and configuring databases |
| Oracle Database Architecture | - Database storage structures (datafiles, control files, redo logs) - Instance architecture (SGA, PGA, background processes) - Memory structures and process management |
| Backup and Recovery | - Recovery Manager (RMAN) basics - User-managed backup and recovery - Flashback concepts (intro level) |
| Database Security | - Authentication and authorization - Roles and privileges management |
Oracle database 10g:Administration I Sample Questions:
View the Exhibit to observe the roles assigned to the SCOTT user.
Which statement is true about the assignment of the SELECT_CATALOG_ROLE role to the SCOTT user?
- A. The user cannot use the role at all.
- B. The user can start using the role immediately.
- C. The user needs to enable the role explicitly.
- D. The user can grant the role to other users.
Which three descriptions are correct about the effects of the TRUNCATE command on a table? (Choose three.)
- A. The high-water mark (HWM) is set to point to the first useable data block in the table segment.
- B. The child table is truncated when the TRUNCATE command is applied on the parent table.
- C. Delete triggers on the table are fired during the execution of the TRUNCATE command.
- D. The corresponding indexes for the table are also truncated.
- E. Very little or no undo data is generated during the execution of the TRUNCATE command.
You backed up the control file to trace. Which statement is true about the trace file generated?
- A. The trace file contains the instructions to manually re-create the control file.
- B. The trace file is in binary format.
- C. The trace file has a SQL script to re-create the control file.
- D. The trace file is an image copy of the control file created during the backup of the control file.
- E. The trace file is a backup set created during the backup of the control file.
User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK, or any data definition language (DDL) command:
SQL> SELECT job FROM emp
2 WHERE job='CLERK' FOR UPDATE OF empno;
SCOTT has opened another session to work with the database. Which three operations would wait when issued in SCOTT's second session? (Choose three.)
- A. SELECT job FROM emp WHERE job='CLERK' FOR UPDATE OF empno;
- B. INSERT INTO emp(empno,ename) VALUES (1289,'Dick');
- C. LOCK TABLE emp IN EXCLUSIVE MODE;
- D. DELETE FROM emp WHERE job='MANAGER';
- E. LOCK TABLE emp IN SHARE MODE;
Which two operations require undo data? (Choose two.)
- A. recovering from failed transactions
- B. rolling forward during instance recovery
- C. rolling back a transaction
- D. committing a transaction
- E. recording a transaction to redo log files
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