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,

3100

how to get the index id?

Cognizant, TCS,

1 5705

Difference between join and a subquery?

Base Automation, NMDC,

8 45347

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

2 5777

How to create index-by table in oracle?

3 6701

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

2007

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,

2142

What is Water Mark in Oracle?

Oracle,

7 23062

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 5389

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

Exilant,

1 11938

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

2 9019

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

Metric Stream,

1 14604

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

HCL, Tesco,

5 17452

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

5 8873

what is data abstraction

Semantic Space,

3 7224

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Un-Answered Questions { Oracle General }

What is raw datatype in oracle?

1207

What are the different windows events activated at runtime ?

2944

Explain the use of control file?

1173

What happens in oracle commit?

1077

What happens if you use a wrong connect identifier?

1138

I have a parent program and a child program. I want to write a statement in Exception Block of the parent program so that when the statement in the exception block is executed, the control goes to the next statement in the parent block bypassing the child block.How do i do that?

2502

How to delete all rows a table in oracle?

1119

I just want to maintain data like an employee can belongs to 3 or more departments . We can resolve this by using composite key but it avoids normalization rules. So Can anyone tell me how can I maintain data.

2246

How to install oracle odbc drivers?

1142

How is it different from a normal table?

1083

How do I use unicode codesets with the weblogic jdriver for oracle driver?

1124

How to define a data source name (dsn) in odbc manager?

1079

What are the logical operations?

1169

How to select some rows from a table in oracle?

1125

How to drop a stored function?

1182

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