Oracle General Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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?

2078

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?

1940

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

2006

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

1996

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

1939

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

2309

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

2860

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?

1987

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.

1907

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

1846

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

4473

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

1 3403

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

1835

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

2209

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

1828

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Un-Answered Questions { Oracle General }

How do I find my oracle client driver version?

972

Differentiate between post-database commit and post-form commit?

982

Explain alias?

1080

What are the different windows events activated at runtime ?

2834

How do I know if oracle client is installed on windows?

955

Is oracle an operator?

885

How to export several tables together?

989

How to convert times to characters in oracle?

978

What are the differences between primary key and unique key?

949

What is a snapshot log?

952

Why do we use bulk collect in oracle?

1012

What is the scope of a local variable?

998

how to handle exceptions in post production

1362

how to convert .db (extention) database file into .dmp (extention ) for oracle database ?

2506

How to view the data files in the current database?

1045

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