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

Is left join inner or outer?

1028

Is join and inner join the same?

1015

Does a join table need a primary key?

961

How do you write an inner join query?

962

What is the difference between a subquery and a join?

1117

Can I join the same table twice?

1056

Are left and right joins the same?

1094

What is left join example?

957

What is difference between inner join and self join?

1091

Is join an inner join?

981

What is the difference between left join and right join?

953

Which join condition can be specified using on clause?

961

What is the difference between joins?

1048

What is foreign key and example?

942

Can you have a foreign key without a primary key?

962

Un-Answered Questions { Databases }

is it possible to pass an object or table to a procedure as an argument?

1139

What is information schema in database?

971

How can you determine if an oracle instance is up from the operating system level?

568

Is sql free?

980

What are the grouping functions?

942

List similarities and differences between oracle & sybase.

978

What is the purpose of a database?

1041

Define neo4j?

How to open postgresql gui in ubuntu?

917

What is dbms used for?

1013

Explain the term 'oracle grid architecture'?

595

What are .mdf files?

951

what are the different type of sql's statements ? : Sql dba

929

How would you configure identities in sybase?

1026

how can we know the number of days between two given dates using mysql? : Sql dba

1051

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