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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,

1130

how can you initialize log miner?

Oracle,

1190

What is the difference between online and offline backups?

MCN Solutions,

1138

what is the difference between restoring and recovering?

MCN Solutions,

1062

What is Difference Between Unique and Primary Key Constraints?

Wipro,

1157

What is a Mapplet?

Informatica,

1204

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,

1029

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,

1695

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 different types of upgrades that can be performed in sql server? : sql server DBA

1266


What is raiseerror? What is raiseerror?

1197


What are cascading parameters in ssrs reports?

236


Who proposed the relational model?

1019


Can primary key be a foreign key?

1119


Explain the stored procedure?

1104


What is confine mode and flex mode?

1


Does uninstalling mysql delete database?

1091


Define master database?

1151


Explain the storage engines in mysql?

1058


What is the load plans? And how to create for the load plans?

723


What is index and also explain types of indexing in dbms?

1048


What is a temp table?

1074


What is building blocks of client/server?

1180


How many categories of data types?

1043