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

Oracle (3253)
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

what is a replica set?

1 74

Explain can you move old files in the movechunk directory?

1 73

How can you see the connection used by mongos?

1 78

What is storage encryption?

1 78

Explain the structure of objectid in mongodb.?

1 75

What is crud?

1 75

what is the command syntax for inserting a document?

What is use of gridfs in mongodb?

1 70

What is “namespace” in mongodb?

1 74

What do you understand by nosql databases? Is mongodb a nosql database? Explain.

1 80

By default, which index is created by mongodb for every collection?

1 70

Compare mongodb and couchdb at high level?

1 70

How many indexes does mongodb create by default for a new collection?

1 75

what is objecld composed of?

1 85

What is the difference between mongodb and mysql?

1 68

Un-Answered Questions { Databases }

How to rebuild the master database?

1160

explain different types of backups avaialabe in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration

1129

What is current version of mysql?

1072

What is an indexed view?

1018

What is a scheduled job or what is a scheduled task?

1033

How to write a left outer join with the where clause in oracle?

1149

Can we use distinct and group by together?

1133

do you know how to configure db2 side of the application? : Sql server database administration

1119

Any work done in oracle workflow builder. Did you customize or build a new workflow?

What are different types of constraints?

996

How do I remove duplicates in two columns?

1179

What are the types of database explain each of them briefly?

1054

What versions of clipper does netlib support?

1088

What is self contained sub query?

1138

i have all the Oracle Certification material from 1z0-001 to 1Z0-643, if required just drop me a mail to: summi4you@yahoo.co.in

1856

For More Un-Answered { Databases } Questions Click Here