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

Oracle General Interview Questions

Questions Answers Views Company eMail

definition of cluster and non-clustered index?

CSS,

2961

how to get the index id?

Cognizant, TCS,

1 5559

Difference between join and a subquery?

Base Automation, NMDC,

8 44766

How to find no of saturdays in a month using single sql ?

2 5578

How to create index-by table in oracle?

3 6409

1) WIll all the user get the DEFAULT profile, if their current profile got deleted at any point of time? 2) What are the Situation we need to MOVE the TABLE between T.spaces? 3) What is the use of MOVING the TABLE between SCHEMA'S? 4) What are the Table Clause, Segment Clause and the Datafile Clause which will override each other? 5) Explain SORT_AREA_SIZE of Tempfile to make UNIFORM SIZE

1913

1) What is ONE_SIZE_FITS_ALL approach? 2) Explain the Common & Variable Header of DATA FILE? 3) What are the Drawbacks to using OMF DB? and the Advantages? 4) List out the Advantages of Undo T.spaces over the Undo SEGMENT? 5) Difference between the Temporary tablespace with TEMPFILE and the Tablespace with TEMPORARY Keyword? 6) What are the situation extents are freeing for reuse.

TCS,

2022

What is Water Mark in Oracle?

Oracle,

7 22507

We need to compare two successive records of a table based on a field. For example, if the table is CUSTOMER, and the filed is Account_ID, To compare Account_IDs of record1 and record2 of CUSTOMER table, what can be the query ?

3 5080

How to call a stored procedure inside a trigger? Give an example.

Exilant,

1 11742

How to call a trigger inside a stored procedure?Give an example.

2 8829

Can we call a trigger inside a function and function inside a trigger? Give example.

Metric Stream,

1 14383

can we insert any row to dual table if i got the permission from DBA

HCL, Tesco,

5 17064

how to find the second highest salary in a given table????

5 8475

what is data abstraction

Semantic Space,

3 6937

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Un-Answered Questions { Oracle General }

how do we code triggers , store procedure , Performance tuning and indexing in a Java Project? Pls kindly get me the perfect answer with the code for each....thank you in advance............pls any body kindly help me soon as possible....

2004

How to connect to a remote server?

1054

How to convert csv to table in oracle?

924

What is a partition in oracle?

1039

What is transaction control statement and how many types of transaction control statement in Oracle?

1080

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

What is meant by recursive hints in oracle?

1029

How do I start tns listener?

989

How to create a new oracle data file?

971

How to start a new transaction in oracle?

1016

What is meant by an index?

1059

How to change system global area (sga) in oracle?

959

In which language oracle has been developed?

1016

Please explain compound trigger in oracle?

996

How to sort output in descending order in oracle?

989

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