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Databases Interview Questions
Questions Answers Views Company eMail

how can a session indicate its interest in receiving alerts?

Oracle,

1095

how does an oracle clusterware manage crs resources?

Oracle,

1141

what are the performance views in an oracle rac environment?

Oracle,

1127

who owns the operating system files created by the utl_file package?

Oracle,

1129

how can you initialize log miner?

Oracle,

1190

What is the difference between online and offline backups?

MCN Solutions,

1136

what is the difference between restoring and recovering?

MCN Solutions,

1060

What is Difference Between Unique and Primary Key Constraints?

Wipro,

1156

What is a Mapplet?

Informatica,

1202

What are the most common interview questions on ETL Testing for experience?

 1196

If you're given a raw data table, how would perform etl (extract, transform, load) with sql to obtain the data in a desired format?

Facebook,

1028

how would you write a sql query to compute a frequency table of a certain attribute involving two joins? What changes would you need to make if you want to order by or group by some attribute? What would you do to account for nulls?

Facebook,

1694

how would you improve etl (extract, transform, load) throughput?

LinkedIn,

1078

define and explain the differences between clustered and non-clustered indexes.

Microsoft,

1261

what are the different ways to return the rowcount of a table?

Microsoft,

1059

Un-Answered Questions { Databases }

What are the 4 types of database?

1072

How do you update f as m and m as f from the below table testtable?

1937

What is end user data?

843

List the important features of mongodb.

1

Can you list down the different components of physical and logical database structure?

1

What is the importance of database in an organization?

910

How do I enable postgis on pgadmin?

1041

What is a system database and what is a user database? : sql server DBA

1319

Why does a sql statement work correctly outside of a user-defined function, but incorrectly inside it?

947

Do comments need to go in a special place in sql server 2005?

921

how would you enter characters as hex numbers? : Sql dba

1039

Help!!!!!!!!!!!! My database has gone offline, it is highlighted as 'Suspect'. Foolishly, i haven't got a recent back up. Is there a way of quickly restoring the database? Thank you

1801

Is it possible to have multiple layouts in a report?

1094

What is transactional replication?

1029

What is keys and its types?

1124

For More Un-Answered { Databases } Questions Click Here