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,

3035

how to get the index id?

Cognizant, TCS,

1 5653

Difference between join and a subquery?

Base Automation, NMDC,

8 45122

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

2 5706

How to create index-by table in oracle?

3 6594

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

1974

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,

2097

What is Water Mark in Oracle?

Oracle,

7 22833

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 5249

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

Exilant,

1 11875

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

2 8958

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

Metric Stream,

1 14524

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

HCL, Tesco,

5 17295

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

5 8720

what is data abstraction

Semantic Space,

3 7095

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Un-Answered Questions { Oracle General }

Explain an exception and its types?

1081

Point out the difference between user tables and data dictionary?

987

Explain oracle left join with an example?

1018

Explain integrity constraints?

1109

What is a oracle database?

1061

How to select some columns from a table in oracle?

1098

What is an oracle user role?

986

What is snapshot is too old? Give and example for better understand.

1607

What do you mean by group by clause?

1049

1) Does oracle have any table which contain all the exceptions and it's code internally?

1754

How to pass a cursor variable to a procedure?

1113

How to install oracle database 10g xe?

1024

Explain a synonym?

1034

what are the default admin accounts in Oracle 10g ?

972

What is a system tablespace and when it is created?

976

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