Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

Which language is used to write couchdb?

Mention the key features of couchdb?

Compare the terms mongodb and couchdb?

State few elements in couchbase node?

State the use of couchdb?

What do you mean by cubes and olap cubes?

Differentiate between etl testing and manual testing.

List few disadvantages of file processing system.

935

How index hunting contributes in improving the query performance?

963

Enlist the types of cursor?

976

What is join? Mention its types.

1035

Mention the types of join?

909

How many types of database language exist?

1049

Mention some disadvantages of query?

971

What is database normalization? Explain types of it.

1001

Un-Answered Questions { Databases }

How display code or Text of Stored Procedure using Sql query in Sql Server ?

1159

What is the difference between mdf and ndf files?

1131

How do you know the all indexes available for a collection?

What do you understand by data redundancy?

934

What is oracle server autotrace in oracle?

1175

Explain how dts is used to extract, transform and consolidate data?

1008

Can I call a procedure inside a function?

1020

What is 1nf 2nf and 3nf?

900

How does mysql clustering work?

933

Can a cursor be updated? If yes, how you can protect which columns are updated?

1127

What is forward declaration in pl sql?

1091

Can we delete data from a view?

932

How are the stats updated in postgresql?

866

What is the difference between I and G in Oracle?

1111

What is plpgsql language?

1071

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