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Updated: Sep 13, 2026
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Oracle 1Z0-042 Exam Overview:
| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database 10g: Administration I |
| Exam Number: | 1Z0-042 |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Choice, Scenario-based Questions |
| Related Certifications: | Oracle Database 10g Administrator Certified Professional (OCP) |
| Real Exam Qty: | 55 |
| Exam Price: | USD 245 (may vary by region) |
| Passing Score: | Approximately 60%–65% |
| Certificate Validity Period: | Legacy certification (does not expire, but version is retired) |
| Available Languages: | English |
| Recommended Training: | Oracle University - Oracle Database 10g Administration I |
| Exam Registration: | Pearson VUE Oracle Exams Oracle Certification Portal |
| Sample Questions: | Oracle 1Z0-042 Sample Questions |
| Exam Way: | Computer-based exam delivered via authorized testing centers (Pearson VUE) |
| Pre Condition: | No formal prerequisites, but basic knowledge of SQL and database concepts is recommended. |
| Official Syllabus URL: | https://education.oracle.com |
Oracle 1Z0-042 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Database Management | - Managing database instances - User and privilege management - Managing storage structures |
| Database Security | - Authentication and authorization - Roles and privileges management |
| Database Installation and Configuration | - Oracle Net Services configuration basics - Installing Oracle Database 10g software - Creating and configuring databases |
| Oracle Database Architecture | - Memory structures and process management - Instance architecture (SGA, PGA, background processes) - Database storage structures (datafiles, control files, redo logs) |
| Backup and Recovery | - User-managed backup and recovery - Flashback concepts (intro level) - Recovery Manager (RMAN) basics |
Oracle database 10g:Administration I Sample Questions:
You have to shut down the database instance with the ABORT option because of a hardware failure. Which statement is true about the subsequent opening of the database?
- A. The database would not open, and you have to perform database recovery to open it.
- B. The database would open after automatically performing instance recovery.
- C. The database would open normally.
- D. The database would not open, and it would stop at mount stage.
Correct Answer: B 🗳️
In your database, the Log Writer (LGWR) process is unable to write to a member of a current redo log group due to read/write failure. Which two effects would you see in your database? (Choose two.)
- A. The database operation temporarily halts till the member becomes available.
- B. The database instance aborts.
- C. The status of the group changes to INACTIVE and an error message would be written to the alert log file and LGWR trace file.
- D. Writing proceeds as normal. LGWR writes to the available members of a group and ignores the unavailable members.
- E. The member would be marked as STALE and an error message would be written to the alert log file and LGWR trace file.
Correct Answer: D,E 🗳️
You received complaints about the degradation of SQL query performance. You identified top SQL queries that consume time. What would be your next step to find out recommendations about statistics collection and restructuring of the SQL statement to improve query performance?
- A. run SQL Tuning Advisor on top SQL statements
- B. run the Automatic Workload Repository (AWR) report
- C. run the Automatic Database Diagnostic Monitor (ADDM) on top SQL statements
- D. run Segment Advisor
Correct Answer: A 🗳️
Which two operations can be flashed back using the Flashback technology? (Choose two.)
- A. ALTER TABLE SALES_REP DROP PARTITION P1;
- B. DROP USER SMITH;
- C. DROP TABLE EMPLOYEES;
- D. DROP TABLESPACE USERS;
- E. ALTER TABLE EMPLOYEES DROP COLUMN DESIG_ID;
Correct Answer: B,C 🗳️
Which two statements are true about the primary key constraint in a table? (Choose two.)
- A. The non-deferrable primary key constraint creates an unique index on the primary key column if it is not already indexed.
- B. The primary key constraint can be referred by only one foreign key constraint.
- C. The primary key constraint can be imposed by combining more than one column.
- D. It is not possible to disable the primary key constraint.
- E. It is possible to have more than one primary key constraint in a single table.
Correct Answer: A,C 🗳️
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