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 5651

Difference between join and a subquery?

Base Automation, NMDC,

8 45094

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

2 5701

How to create index-by table in oracle?

3 6583

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

1971

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,

2093

What is Water Mark in Oracle?

Oracle,

7 22816

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 5241

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

Exilant,

1 11869

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

2 8947

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

Metric Stream,

1 14513

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

HCL, Tesco,

5 17280

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

5 8710

what is data abstraction

Semantic Space,

3 7081

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Un-Answered Questions { Oracle General }

How to load excel data sheet to oracle database

1024

What is different types of joins?

1022

If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied ?

2292

Can we use oracle pl/sql block in core java? if so how? pls get back to me .....

2969

What is proxy method?

972

Can we use bind variables in oracle stored procedure?

950

What is raw datatype in oracle?

1135

What is a nested table?

1058

How to rename a column in an existing table?

1035

Can sub procedure/function be called recursively?

1003

How to select some rows from a table in oracle?

1078

What are the set operators union, union all, minus & intersect meant to do?

988

What is hot backup and logical backup?

1051

How do I limit the number of rows returned by an oracle query after ordering?

1169

Explain an exception?

994

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