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

Oracle General Interview Questions

Questions Answers Views Company eMail

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 5849

a query to select maxmun 3 salaries of employee table

IBM, Polaris,

12 20712

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

5 10797

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

EDC,

2185

how to convert .db (extention) database file into .dmp (extention ) for oracle database ?

EDC,

2599

what is meant by magic query

2230

Define the terms primary key foreign key and also the difference between primary and the unique key

2 11319

What is autonomous transaction?

6 12426

i have a table and it has constraints and i want to get "ALTER TABLE table_name ADD CONSTRAINT constraint_name constraint type" this code must be in string type please help me if you want, i can give more explainings

2 5037

i must get table name, constraint type, constrain name with using concads "||" and it must be in string type, then with join processes i need code please help immidiately

1 4509

ex. one table is having 1 column with 10 records , then how to display all the values in row wise ?

4 8044

How to transfer database(500 gb) of oracle enterprise edition to standard edition downtime is only 1 hour not using exp/imp option ?

Digital Group,

3 7712

can any one help me with import/export options in oracle............

1 5873

Differnce between view and index

3 6239

SELECT * FROM (SELECT TITLE FROM MOVIE ORDER BY RANK DESC) WHERE ROWNUM > 4; when i run the above query .it produces output as NO ROWS SELECTED.why ?plz any one help me

TCS,

6 14518

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Un-Answered Questions { Oracle General }

How to use like conditions in oracle?

1115

How to see the table columns used in an index?

1070

How to name query output columns in oracle?

1240

What is Virtual Private Database in Oracle?

1150

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

3021

How to use subqueries with the exists operator in oracle?

1069

How do I uninstall oracle client from windows?

1057

What is oracle datasource?

1039

Hi friends can u send the oracle 9i full version download link?????????????? please reply ?

1921

What do you understand by a database object?

1107

What's dateware house and what's clustor with practicle example

2233

What is data file?

1149

How many types of tables are there in oracle?

1111

What are advantages of dateset in datastage?

2309

Explain the characteristics of oracle dba?

1175

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