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Oracle General Interview Questions
Questions Answers Views Company eMail

What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?

 1613

Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

 1524

How do you tell what your machine name is and what is its IP address?

 1525

How would you go about verifying the network name that the local_listener is currently using?

 1611

You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?

 1455

What view(s) do you use to associate a users SQLPLUS session with his o/s process?

 1917

What is the recommended interval at which to run statspack snapshots, and why?

 2445

What spfile/init.ora file parameter exists to force the CBO to make the execution path of a given statement use an index, even if the index scan may appear to be calculated as more costly?

 1537

Assuming today is Monday, how would you use the DBMS_JOB package to schedule the execution of a given procedure owned by SCOTT to start Wednesday at 9AM and to run subsequently every other day at 2AM.

 1512

How would you edit your CRONTAB to schedule the running of /test/test.sh to run every other day at 2PM?

 1452

What do the 9i dbms_standard.sql_txt() and dbms_standard.sql_text() procedures do?

 4030

In which dictionary table or view would you look to determine at which time a snapshot or MVIEW last successfully refreshed?

 1 2780

How would you best determine why your MVIEW couldnt FAST REFRESH?

 1445

How does propagation differ between Advanced Replication and Snapshot Replication (read-only)?

 1840

Which dictionary view(s) would you first look at to understand or get a high-level idea of a given Advanced Replication environment?

 1489

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Un-Answered Questions { Oracle General }

normally database take to refresh time 2 hours. but client asked iwant to refresh with in 5 min that same database. do you have any option in BO and Oracle? explain me briefly...kavi

1754

What happens if the imported table already exists?

555

Explain about functional dependency and its relation with table design?

562

Explain the use of indexes option in exp command.

599

What are the advantages of oracle?

561




What is varray?

595

What is a dead lock in oracle?

607

What will be the syntax to find current date and time in format "yyyy-mm-dd"?

577

What is a cursor variable?

590

How do I find my oracle client driver version?

538

Can we call procedure inside function in oracle?

619

Explain how are indexes update?

634

How can you use check constraints for self referential integrity?

533

How to run create database statement?

586

How to define a specific record type?

632

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