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Databases Interview Questions
Questions Answers Views Company eMail

how can a session indicate its interest in receiving alerts?

Oracle,

1044

how does an oracle clusterware manage crs resources?

Oracle,

1088

what are the performance views in an oracle rac environment?

Oracle,

1055

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

Oracle,

1074

how can you initialize log miner?

Oracle,

1146

What is the difference between online and offline backups?

MCN Solutions,

1059

what is the difference between restoring and recovering?

MCN Solutions,

1011

What is Difference Between Unique and Primary Key Constraints?

Wipro,

1105

What is a Mapplet?

Informatica,

1120

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

 1143

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,

967

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,

1631

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

LinkedIn,

1026

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

Microsoft,

1194

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

Microsoft,

1001

Un-Answered Questions { Databases }

What are pl/sql packages?

1102

What is the phantom problem?

1002

Differentiate between writeoff and receipt writeoff. : oracle accounts receivable

1342

Explain go command in sql server?

1036

default triggers available for reports

2211

What are tables and fields in the database?

1112

What is this tds protocol in sybase?

955

Which is better mysql or ms access?

852

i have 2 table table one 4 columns respective values a1 7,a2 6,a3 8 ,a4 12 & table two 4 colums respective values a1 7,a2 6,a3 8,a4 15.if table one & table two 3 colums same then 4th column values 1)Qes diff >5 then print 5 * diff value 2)Que diff <5 print 5

4025

What are data files?

1041

What is unpivot?

1011

What is a relation in dbms?

1137

What is autocashrule set? : oracle accounts receivable

1403

Explain partitioned view?

1076

How to run queries on external tables?

1046

For More Un-Answered { Databases } Questions Click Here