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Oracle Interview Questions

Below we have listed all the Oracle Interview Questions and answers. Feel free to comment on any Oracle Interview Questions or answer by the comment feature available on the page.

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Oracle Corporation (Oracle) is an enterprise software company. The Company develops, manufactures, markets, distributes and services database and middleware software, as well as applications software that help organizations to manage their businesses.

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Following are sub categories for which Interview Questions & Answers are available under Oracle Interview Questions & Answers. Please select the appropriate sub-category:-

Backup and Recovery Interview Questions & Answers (60) Exam Mode | Learning Mode

Concepts and Architecture Interview Questions & Answers (62) Exam Mode | Learning Mode

Data Access Interview Questions & Answers (35) Exam Mode | Learning Mode

Database Administration Interview Questions & Answers (88) Exam Mode | Learning Mode

Database Security Interview Questions & Answers (33) Exam Mode | Learning Mode

Distributed Processing Interview Questions & Answers (17) Exam Mode | Learning Mode

General Oracle Interview Questions & Answers (198) Exam Mode | Learning Mode

Memory Management Interview Questions & Answers (123) Exam Mode | Learning Mode

ONT Interview Questions & Answers (12) Exam Mode | Learning Mode

Oracle Architecture Interview Questions & Answers (29) Exam Mode | Learning Mode

Oracle Backup and Recovery Interview Questions & Answers (14) Exam Mode | Learning Mode

Oracle Forms 3.0 Interview Questions & Answers (65) Exam Mode | Learning Mode

Oracle Forms 4.0 Interview Questions & Answers (64) Exam Mode | Learning Mode

PL-SQL Interview Questions & Answers (105) Exam Mode | Learning Mode

Programmatic Constructs Interview Questions & Answers (11) Exam Mode | Learning Mode

Scenario Interview Questions & Answers (20) Exam Mode | Learning Mode

SQL In Oracle Interview Questions & Answers (61) Exam Mode | Learning Mode

SQL Plus Interview Questions & Answers (101) Exam Mode | Learning Mode

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Question
Rating
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What is Referential Integrity ?
4.5 Rating
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How would you determine how much sort space is used by a user session?
4.1 Rating
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What happens next when a server process is not able to find enough free buffers to copy the blocks from disk?
4.4 Rating
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What is the difference between ON-VALIDATE-FIELD trigger and a POST-CHANGE trigger ?
4.4 Rating
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Which two initialization parameters are used by ORACLE to determine the number of rollback segments required for an instance?

a. ROLLBACK_SEGMENTS
b. TRANSACTIONS
c. TRANSACTIONS_PER_ROLLBACK_SEGMENT
d. PROCESSES
4.0 Rating
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1. Profiles cannot be used to restrict.
a. CPU time used
b. Total time connected to the database
c. Maximum time a session can be inactive
d. Time spent reading blocks
4.5 Rating
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Can you store objects in library?
4.1 Rating
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With SQL, how can you return the number of records in the ?Persons? table?
a) SELECT COLUMNS (*) FROM Persons
b) SELECT COLUMNS () FROM Persons
c) SELECT COUNTS () FROM Persons
d) SELECT COUNTS (*) FROM Persons
4.5 Rating
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What are materialized views?
3.8 Rating
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When a table is updated, where is the before image information (which can be used for undoing the changes) stored?
3.9 Rating
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Diffrence between VIEW and MATERIALIZED VIEW?
3.0 Rating
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What is difference between UNIQUE and PRIMARY KEY constraints?
3.9 Rating
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What database aspects should be monitored?
4.3 Rating
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What is USING Clause and give example?
3.9 Rating
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You have specified the LOGFILE clause in the CREATE DATABASE command as follows. What happens if the size of the log file redo0101.log, which already exists, is 10MB?
3.9 Rating
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Which command should be issued before you can execute the CREATE DATABASE command?
3.1 Rating
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What is pseudo columns ? Name them?
4.0 Rating
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If the application is running very slow? At what points you need to go about the database in order to improve the performance?

2.6 Rating
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What is a join ? Explain the different types of joins ?
4.6 Rating
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Which two values from the V$SESSION view are used to terminate a user session?
4.1 Rating
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India News Network
Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
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