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,

2971

how to get the index id?

Cognizant, TCS,

1 5573

Difference between join and a subquery?

Base Automation, NMDC,

8 44827

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

2 5599

How to create index-by table in oracle?

3 6438

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

1924

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,

2030

What is Water Mark in Oracle?

Oracle,

7 22566

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 5111

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

Exilant,

1 11767

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

2 8851

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

Metric Stream,

1 14405

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

HCL, Tesco,

5 17098

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

5 8522

what is data abstraction

Semantic Space,

3 6962

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Un-Answered Questions { Oracle General }

How can we find out the current date and time in oracle?

1047

Explain the use of rows option in exp command.

1041

What is the difference between post-database commit and post-form commit?

1122

What is columnar storage what is the advantage?

998

How to retrieve values from data fields in record variables?

1051

Her departmandaki isçilerden empno' su ikinci sirada olan isçilerin empno, deptno, hiredate, sira_no bigilerini döndüren sorguyu yaziniz?

1947

What do you understand by a database object?

994

Is oracle a language?

904

What is pragma autonomous transaction in oracle?

1005

How to commit the current transaction in oracle?

1053

How to convert characters to dates in oracle?

1038

What are the uses of synonyms?

1097

Give syntax for SQL and ORACLE joins.

1054

What happens to indexes if you drop a table?

1121

6. Display the client name and order date for all orders using the traditional method.

2253

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