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

Differentiate between translate and replace?

1134

Explain the use of rows option in imp command.

1101

Explain the use of rows option in exp command.

1108

Explain the use of tables option in exp command.

1135

Differentiate between post-database commit and post-form commit?

1057

Explain the use of full option in exp command.

1136

Difference between pre-select and pre-query

1125

Explain an exception?

1011

What are the varoius components of physical database structure of oracle database?

1015

Explain the use of online redo log files in oracle.

1059

Explain the use of grant option in exp command.

1078

What is a sub query? What are its various types?

1201

Explain enable novalidate constraint.

1104

What is a synonym? What are its various types?

1130

Explain the use of owner option in exp command.

1066

Un-Answered Questions { Databases }

How to define an anonymous procedure without variables?

1127

What is the difference between nested table and varray?

1021

Explain the use of parfile option in exp command.

1087

What are the results of running this script?

947

Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?

1101

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

What is difference between hql and native sql?

1188

What is sql scripting?

1140

Is there a free version of mysql?

953

Is mariadb better than mysql?

1052

What is a sequence? Explain it with one example?

1219

Can we insert in sql function?

1097

Differentiate between truncate vs delete in mssql?

1100

Explain neo4j vs. Mongodb?

What are the advantages of indexing?

1004

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