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DBA Interview Questions

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DBA is also an abbreviation for doing business as - a term sometimes used in business and legal writing. dBA is an abbreviation for A-weighted decibels. A database administrator, frequently known just by the acronym DBA, is a role usually within the Information Technology department, charged with the creation, maintenance, backups, querying, tuning, user rights assignment and security of an organization's databases.

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What is Data Independence?
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What are the advantages of operating a database in ARCHIVELOG mode over operating it in NO ARCHIVELOG mode?
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Define the Integrity Rules?
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What is Data Storage - Definition Language?
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A user selects from a sequence and gets back two values, his select is?
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What is an Index? How it is implemented in Oracle Database?
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What is Lossless Join Property in case of DBMS?
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What happens if a primary key constraint is disabled and then enabled without fully specifying the index clause?
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What are Stored Procedures, in case of DBMS? And what are the advantages of using them?
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What are the different types of Delete details we can establish in Master-Details?
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How would you determine the time zone under which a database was operating?
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What is a database schema?
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What are Partial, Alternate, Artificial, Compound and Natural Key in case of DBMS?
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What is a DBA or Database Administrator?
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You have a rollback segment in a version 7.2 database that has expanded beyond optimal, how can it be restored to optimal?
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How can you find out how many users are currently logged into the database? How can you find their operating system id?
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What is a Database instance?
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What is Relational Calculus in case of DBMS?
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Name the three major set of files on disk that compose a database in Oracle?
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What are the advantages of operating a database in ARCHIVELOG mode over operating it in NO ARCHIVELOG mode?
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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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