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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 3966

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

1 3389

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 5468

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 8583

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.

2310

how to find count rows in table without count function?

Oracle,

3 7008

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 7795

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

Infosys,

4 8438

is database gud carrier option??

1 3596

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

2122

how to retrive xml data for using sql query?

IBM, TCS,

3 7006

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 4680

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

2209

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

TCS,

1 4967

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

2286


Post New Oracle General Questions

Un-Answered Questions { Oracle General }

What is the simplest tool to run commands on oracle servers?

1009


Other than making use of the statspack utility, what would you check when you are monitoring or running a health check on an Oracle 8i or 9i database?

1989


Is oracle an open source?

1078


How to invoke the data pump export utility?

1187


I have a table called 'test' on source and target with same name, structure and data type but in a different column order. How can you setup replication for this table?

1110


What is a data dictionary and how can it be created?

1150


What are privileges and grants?

1067


In the oracle version 9.3.0.5.0, what does each number shows?

1301


How data locks are respected in oracle?

1071


Can objects of the same schema reside in different tablespace?

1062


what happened to the global index when I truncate the data in one of the partition?

2022


How to unlock the sample user account in oracle?

1016


How to drop an index?

959


What are set operators?

1082


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

1091