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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?

1111

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?

1066

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

1039

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

1147

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

988

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

1457

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

1906

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?

1050

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.

1024

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

1014

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

3468

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

1 2106

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

1018

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

1362

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

1015


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Un-Answered Questions { Oracle General }

What are the oracle differences between nvl and coalesce

133


Explain about functional dependency and its relation with table design?

124


what is the use of triggers in Java program? I mean where do we use triggers in Java programming?

1239


Differentiate between function and procedure in oracle.

146


What privilege is needed for a user to insert rows to tables in another schema?

152






Does oracle charge for java?

108


What are the built-in functions used for sending Parameters to forms ?

2458


when we are importing items in inventory, showing errors, Oracle support suggested us for running scripts & also suggested if we run scripts, iprocurement applicaation if is there it will show shared and if we go in future for iprocurement, it wont work. So kinldy suggest any functional solution.

1020


What are the arithmetic operations?

149


Can u please explain me the Discussion on Except ,using cast like type cast. Question in the context of difference between two tables

1157


what is reindexing?

705


WHEN CURSOR MOVES FROM ONE FORM TO ANOTHER FORM, HOW MANY TRIGGER WILL BE FIRED AND WHAT ARE THEIR SEQUENCE?

1368


What is an anonymous block?

140


What is the difference between primary key and unique key and foreign key in oracle?

136


What is the difference between PFILE and SPFILE in Oracle?

162