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?

2131

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?

1989

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

2096

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

2049

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

2008

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

2354

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

2919

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?

2073

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.

1947

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

1899

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

4522

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

1 3530

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

1889

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

2255

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

1883

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Un-Answered Questions { Oracle General }

Â How to use an oracle sequence generator in a mapping?

1075

What is the difference between Delete, Truncate and Drop in Oracle?

1131

How we can able to import our own template (users designed MS-Word templates) which has many tabular columns; need to pass some values generate by Oracle-reports9i? Actually need to import more than 400 MS-Word templates into Oracle Reports-9i to minimize layout design in Reports.

2179

How to convert a string to a date in oracle database?

1053

What is a proxy object?

1062

What are the different types of partitions in oracle?

978

How to connect ms access to oracle servers?

1007

Explain oracle left join with an example?

1012

From the following identify the non schema object: packages, triggers, public synonyms, tables and indexes.

1068

What's dateware house and what's clustor with practicle example

2175

What is user managed backup in Oracle?

1142

What are the differences between primary key and unique key?

1010

What is columnar storage what is the advantage?

1063

How to execute a stored program unit?

1075

How to do clean up if create database failed?

1028

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