Oracle Database Foundations Practice Exam: Test Your Knowledge 2025
Prepare for the 1Z0-006 exam with our comprehensive practice test. Our exam simulator mirrors the actual test format to help you pass on your first attempt.
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What is the primary purpose of a relational database management system (RDBMS)?
In a relational database, what is a primary key?
A database administrator needs to retrieve all columns from the EMPLOYEES table where the salary is greater than 50000. Which SQL statement should be used?
What is the purpose of the System Global Area (SGA) in Oracle Database architecture?
Which SQL statement is used to add a new row of data to a table?
What type of relationship exists when one record in Table A can be associated with multiple records in Table B, but each record in Table B is associated with only one record in Table A?
A developer needs to retrieve unique job titles from the EMPLOYEES table without duplicates. Which SQL clause should be used?
Which Oracle background process is responsible for writing modified data blocks from the database buffer cache to the data files?
What is the purpose of normalization in database design?
Which SQL statement is used to permanently save changes made during the current transaction?
A company needs to combine data from two tables, EMPLOYEES and DEPARTMENTS, where each employee belongs to one department. Which SQL clause is most appropriate to retrieve employee information along with their department names?
What is the primary function of the Oracle instance?
Which constraint ensures that all values in a column are different from each other?
A database administrator needs to modify the structure of an existing table by adding a new column. Which SQL statement should be used?
What is a foreign key in a relational database?
In Oracle Database, which component stores SQL statements, parsed code, and execution plans for reuse?
A developer writes a query with the following WHERE clause: WHERE salary BETWEEN 40000 AND 60000. What does this clause return?
What is the purpose of a database transaction?
A developer needs to retrieve the top 5 highest-paid employees from the EMPLOYEES table. Which SQL clause should be included in the query for Oracle Database?
In Oracle Database architecture, what happens when a user commits a transaction?
Which SQL command is used to remove all rows from a table while maintaining the table structure, and cannot be rolled back?
What is data integrity in the context of relational databases?
Which Oracle background process is responsible for cleaning up resources when a user process fails?
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Oracle Database Foundations Practice Exam Guide
Our Oracle Database Foundations practice exam is designed to help you prepare for the 1Z0-006 exam with confidence. With 75 realistic practice questions that mirror the actual exam format, you will be ready to pass on your first attempt.
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How to Use This Practice Exam
- 1Start with the free sample questions above to assess your current knowledge level
- 2Review the study guide to fill knowledge gaps
- 3Take the full practice exam under timed conditions
- 4Review incorrect answers and study the explanations
- 5Repeat until you consistently score above the passing threshold