Basic Oracle Interview Question and Answer - Part 2

Introduction:

Oracle, one of the world's leading technology companies specializing in database management systems, cloud solutions, and enterprise software. Whether you're a job seeker preparing for an Oracle interview or an aspiring Oracle professional looking to enhance your knowledge, this article is designed to provide valuable insights and guidance. Are you looking for Oracle related jobs? Nithra jobs provide oracle programming jobs in your expected location.

1. What is the procedure is UNRESTRICTED in Oracle? USER_EXIT

2. What Oracle backup and recovery file contains user and system data? Datafile

3. What is the type of Oracle backup in which all uncommitted changes have been removed from the datafiles? Consistent backup

4. what process is an instance made up of oracle? Oracle background processes

5. What is the smallest unit of storage in an Oracle database? Oracle data blocks

6. What is the NOT an Oracle-supported trigger? DURING

7. When a transaction modifies the database, Oracle copies the original data before modifying it. What is the original copy of the modified data called? Undo Data

8. What kind of a database does Oracle produce? Oracle Autonomous Database

9. SQL*Plus will finish the statement and execute it when the user types in this: A semicolon ( ; ) followed by [Enter]

10. What is the maximum number of columns in Oracle? 1000

11. Where is Oracle developed? Redwood Shores, California

12. What are two components of Oracle instance? SGA and PMON process

13. What is a null value in Oracle? unavailable or unassigned value

14. To obtain the structure of an Oracle table, the command to use is: DESCRIBE [TableName].

15. What Oracle backup and recovery file contains user and system data? Datafile

16. What are the different types of modules associated with Oracle forms? Form modules, Menu modules, Object library modules, PL/SQL library modules.

17. What type of joins are used in subquery? inner join or left outer join

18. What is the Oracle database used for? store and retrieve related information

19. What is meant by Joins in oracle? perform joins between two tables

20. What are the physical components of Oracle Database? Data files, Control files, Redo log files, Password files, Parameter files

21. How many different Oracle Database objects? 4

22. What is the use of the SELECT statement in the Oracle database? retrieve information from a database

23. What is a Synonym in Oracle terminology? an alias for a schema object

24. What is a primary key in Oracle? uniquely identifies each record in a table

25. An Oracle database is made up of _____ structure. Physical and logical

Conclusion:

Mastering the essential Oracle interview questions is crucial for a successful job interview. By preparing well and familiarizing yourself with the key concepts, you can showcase your expertise and stand out from other candidates. Remember to focus on both technical knowledge and problem-solving abilities to impress the interviewer and increase your chances of landing the Oracle job you desire.

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