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

Oracle General (1809)
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 9880

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

HCL,

2315

can we use lexical perameter in oracle plsql if yes how

2308

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

HCL,

2179

How you find out version of installed workflow?

1 4891

how many triggers we can create on a table

G2 Technology, TCS,

11 52229

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

2064

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,

2202

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 5870

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

iFlex,

1936

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 5770

a query to select maxmun 3 salaries of employee table

IBM, Polaris,

12 20287

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

5 10636

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

Infosys,

2507

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

EDC,

2128

Un-Answered Questions { Oracle }

What view would you use to determine free space in a tablespace?

2221

Explain about functional dependency and its relation with table design?

1002

Why more redos are generated when the oracle database is in begin backup mode?

1116

How would you differentiate between cluster and grid?

What is the use of Markers?

582

which one is currently in used software cmpanies.

2143

What are property classes?

Whether any commands are used for months calculation? If so, what are they?

1093

What is the difference between postgresql and oracle?

1037

State some uses of redo log files?

995

What are the predefined tablespaces in a database?

1077

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

2128

Explain a segment?

1082

What is an Oracle Data Block?

1046

master table and child table performances and comparisons in Oracle ?

2131

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