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 network database?

1085

What is the difference between star flake and snow flake schema?

980

How to specify transaction or query timeout?

1118

Explain 5nf?

986

How to schedule ssas database backup

1046

Explain bcnf (boyce-codd normal form)?

1092

Explain the difference between a primary key and a unique key?

1026

Explain about the properties of cursors?

1082

What is ims software environment?

962

What is erd?

1064

Why do I need netlib?

1085

What is actional flow mapping?

999

What is advantages of progress actional?

980

What is the quickest sorting method to use?

1123

Explain what are service-specific middleware?

1033

Un-Answered Questions { Databases }

Would you like to easily automate your MS Access database through menu driven selections?

888

What is the dba role in oracle?

628

How to use null as conditions in oracle?

1129

What are the different Topologies in which Replication can be configured?

1245

What are triggers? How many triggers you can have on a table? How to invoke a trigger on demand?

1247

List the various privileges that a user can grant to another user?

1098

What is a mongodb instance?

Why rdbms is not suitable for big data?

1080

Which free database is best?

914

How view is related to data independence?

1046

What is sql and where is it used?

994

Can we use having without group by in sql?

1054

Define sub-query.

1110

How many views are there in ms access?

965

How to drop existing indexes in ms sql server?

1131

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