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 are the storage engines used by mongodb?

What is the difference between mongodb and cassandra?

Explain the covered query in mongodb.

Can journaling features be used to perform safe hot backups?

What is the method to configure the cache size in mongodb?

What is replica set in mongodb?

Can you achieve primary key - foreign key relationships in mongodb?

What language you can use with mongodb?

What are the different types of nosql databases? Give some example.

How does mongodb provide concurrency?

What is a storage engine in mongodb?

What is the importance of covered query?

Does mongodb need a lot space of random access memory (ram)?

What is crud in mongodb?

What is the usage of profiler in mongodb?

Un-Answered Questions { Databases }

What do mean by xml datatype?

1128

How can we get the number of rows affected by query?

1083

What is triggers in ms sql server?

1135

Where is data stored in database?

891

Explain about sybase 365?

882

Does group by sort data?

918

how can you perform lookup range in lookup stage expalin in detail?

1952

Why do you want to join software field as you have done your BE in Electronics?

2167

What are a query and state the different types of queries and their uses?

1039

What is information schema in database?

976

How to run sql statements through the web interface?

1064

How can you change the name of any existing table by using the sql statement?

1012

Write an sql query for deleting duplicate rows?

1013

What are the differences between interval year to month and interval day to second?

1044

What command do you type to exit the postgresql console application?

871

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