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Oracle 1Z0-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Oracle Database Architecture | - Database storage structures (datafiles, control files, redo logs) - Instance architecture (SGA, PGA, background processes) - Memory structures and process management |
| Database Security | - Roles and privileges management - Authentication and authorization |
| Backup and Recovery | - User-managed backup and recovery - Flashback concepts (intro level) - Recovery Manager (RMAN) basics |
| Database Management | - Managing database instances - Managing storage structures - User and privilege management |
| Database Installation and Configuration | - Oracle Net Services configuration basics - Installing Oracle Database 10g software - Creating and configuring databases |
Oracle database 10g:Administration I Sample Questions:
The HR user owns the EMP table. The HR user grants privileges to the SCOTT user by
using this command:
SQL> GRANT SELECT,INSERT,UPDATE ON emp TO scott WITH GRANT OPTION;
The SCOTT user executes this command to grant privileges to the JIM user:
SQL> GRANT SELECT,INSERT,UPDATE ON hr.emp TO jim;
Now the HR user decides to revoke privileges from JIM by using this command:
SQL> REVOKE SELECT,INSERT,UPDATE ON emp FROM jim;
Which statement is true after HR issues the REVOKE command?
- A. The command fails because HR cannot revoke the privileges from JIM.
- B. The command fails because SCOTT still has privileges with him.
- C. Only HR can perform SELECT, INSERT, and UPDATE operations on the EMP table.
- D. The command succeeds and privileges are revoked from JIM.
Correct Answer: A 🗳️
You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database. Which file is used by the Oracle database server to authenticate APP_DBA?
- A. listener controller file
- B. control file and password file
- C. password file
- D. control file
Correct Answer: C 🗳️
You specified extent management as local for a tablespace. How will it affect space management in the tablespace?
- A. Free extents will be managed by the data dictionary tables.
- B. All the extents will be of the same size.
- C. Bitmap will be used to record free and allocated extents.
- D. The tablespace will be system managed and the users cannot specify the extent size.
Correct Answer: C 🗳️
A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the two effects of this command? (Choose two.)
- A. It enables the constraint to be enforced at the end of each transaction.
- B. It fails if any existing row violates the constraint.
- C. It prevents insert, update, and delete operations on the table while the constraint is in the process of being enabled.
- D. It does not validate the existing data in the table.
Correct Answer: B,C 🗳️
View the Exhibit.
The DBA creates a new user as follows:
SQL> CREATE USER manfus IDENTIFIED BY manfus TEMPORARY TABLESPACE
temp;
User manfus creates a table as follows:
SQL> CREATE TABLE material(id NUMBER(3));
In which tablespace will the material table be created?
- A. USERS
- B. SYSAUX
- C. PROD
- D. SYSTEM
- E. TEMP
Correct Answer: A 🗳️
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