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?

2128

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?

1986

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

2092

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

2044

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

2002

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

2351

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

2915

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?

2069

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.

1945

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

1897

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

4519

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

1 3517

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

1889

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

2251

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

1879

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Un-Answered Questions { Oracle General }

How to run the anonymous block again?

1128

Can we call procedure inside function in oracle?

1080

How to rename an existing table?

1123

How to pass parameters to procedures in oracle?

1040

Explain constraining triggers.

1090

How to turn on or off recycle bin for the session?

1105

How to select some columns from a table in oracle?

1083

Does oracle partitioning improve performance?

991

What is the order of defining local variables and sub procedures/functions?

1058

How to create a testing table in oracle?

988

How to use "while" statements in oracle?

1320

How can you use check constraints for self referential integrity?

965

How to pass a cursor variable to a procedure?

1103

what is difference between sql plus and sql*plus? (not sql and sql plus).

3892

How do I find the database name in oracle?

1035

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