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

Oracle General (1803)
Oracle DBA (Database Administration) (261)
Oracle Call Interface (OCI) (10)
Oracle Architecture (90)

Oracle Interview Questions

Questions Answers Views Company eMail

I am working in Oracle Clinical 4.5.1 Please explain a bit.How to create Views in OC

Icon,

4 10060

as a technical developer in oracle applications which type errors feced in your experience sofar

HCL,

2382

can we use lexical perameter in oracle plsql if yes how

2378

as a technical developer in oracle applications which type errors feced in your experience sofar

HCL,

2236

How you find out version of installed workflow?

1 4961

how many triggers we can create on a table

G2 Technology, TCS,

11 52634

if i write the procedure.. and other person make the changes in that code then where i find who is changing my procedure

2129

normally database take to refresh time 2 hours. but client asked iwant to refresh with in 5 min that same database. do you have any option in BO and Oracle? explain me briefly...kavi

iFlex,

2264

can anyone help me ? an index has been done on the primary key of a table. an update operation was performed on that table. now my question is 1> what abt the performance ? means faster or slower due to indexing ? 2> does the operation affect to the primary key constraint ?

Allfon,

2 6010

you are a universe designer and report developer in BO, what type of information you gather from client?Briefly explain plz

iFlex,

2002

What is the purpose of init.ora. ? how many init.ora exist in oracle installation? suppose there are 3 database on one oracle server, how many init.ora do I have? what are various database objects? how will you identify memmory related performace issue in oralce? any idea about basic architure difference of oracle and db2? comment on which is better , with reasons? what is a fuction based index? is it recommended to use the same. ? what is global temporay table? what is teh signification of the parameter session_cached_cursor ?

HDFC,

1 5857

a query to select maxmun 3 salaries of employee table

IBM, Polaris,

12 20753

Ho to insert no. of records at a time..i mean i want to insert 100 records at a time into a table

5 10815

HOW TO GET THE ORGANIZATION TO ORGANIZATION DETAILS INFORMATION IN THE INVENTORY MODULE.THE REQUIREMENT IS FROMORG TOORG FROMINV TOINV ..

Infosys,

2568

I have a database backup file in .db (ext) form how to conver it into .dmp (ext.) for oracle database

EDC,

2189

Un-Answered Questions { Oracle }

Explain the use of analyse option in exp command.

1200

How I can use srw.run_report in reports6i?

Is insert autocommit in oracle?

1134

Difference between oracle's plus (+) notation and ansi join notation?

1160

What is a dead lock in oracle?

1181

What is confine mode and flex mode?

How can we force the database to use the user specified rollback segment?

1202

What is the relation between database and instance?

702

What are the differences between number and binary_float in oracle?

1155

how to handle exceptions in post production

1486

How can you tell if a tablespace has excessive fragmentation?

638

Select all the employees who were hired in last 2 years and who works in dept where max managers are working.

3028

Explain the difference between a procedure and a function?

1241

What are the different pseudo commands? Explain in general?

1129

State and explain the different types of data models?

1000

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