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Oracle General Interview Questions
Questions Answers Views Company eMail

Suppose U install the oracle DB either enterprise edition or express edition in ur personal PC, Is there the Database has been created after ur installation if not then where the oracle's all objects with data be stored?

IBM,

1 2509

emp numb is unique because that is primary key,,but what is foreign key .. explain very clear with example

1 2095

I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?

Zensar,

2 3642

I have table-A(1,2,3,4,4,5,6,6,6,7). how to get all duplicate values?what is sql query?

Zensar,

5 5424

Please explain me all types of Data models. Also give me the details if each model can have other name.for example:schematic data model is also known as conceptual data model and entity relation data model.

1479

how to find count rows in table without count function?

Oracle,

3 4527

i have executed the Delete command after the I have created table whether deletions will be commit or not? if table is successfully created?

Oracle,

5 4702

Q) How to Find Max Date from each Group? (Asked in Infosys (INFI)Interview)

Infosys,

4 5523

is database gud carrier option??

1 2334

can anyody please send me the dump for Oracle 10g certifications for DBA path?

1281

how to retrive xml data for using sql query?

IBM, TCS,

3 4754

1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?

IBM,

1 3256

nw i'm doing MBA system and planning to do oracle,database management.tell me that whether it is useful r not?.refer any course for my carrier pls

1265

Without giving condition how to retrieve the unmatched records from table.

TCS,

1 3559

In not less than 100 words what's the main difference between Rolap and Molap in ORACLE ?

1421


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Un-Answered Questions { Oracle General }

What is rich query?

142


What is tns name?

137


How to use attributes of the implicit cursor in oracle?

175


How to create a stored function in oracle?

188


Explain joins in oracle?

176






What is a package ? What are the advantages of package ?

215


Explain an exception and its types?

172


Can group functions be mixed with non-group selection fields?

152


How to loop through data rows in the implicit cursor?

155


What is truncate oracle?

158


Explain the use of rows option in imp command.

174


11. Display the client number and name and the client number and name of the person who referred that client.

1525


Can group functions be used in the order by clause in oracle?

197


material view and view disadvantages?

223


What is merge in oracle?

146