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

How to open a cursor variable?

1040

What happens to indexes if you drop a table?

1171

How to test null values?

1112

How to define a data source name (dsn) in odbc manager?

1035

How to do a full database export?

1115

How to bring a tablespace online?

1080

Can group functions be mixed with non-group selection fields?

1021

What is the relation of a user account and a schema?

1134

How many file formats are supported to export data?

1220

Why cursor variables are easier to use than cursors?

1094

How to insert a record into a table?

1073

How to define a variable to match a table column data type?

991

How to invoke the original export import utilities?

1065

What is the difference between formal parameters and actual parameters?

1089

How to view the dropped tables in your recycle bin?

1 1482

Un-Answered Questions { Databases }

How to specify transaction or query timeout?

1048

What is the difference between hot backup and cold backup in oracle?

1014

What are data files?

1045

Does google use mongodb?

How show all tables in mysql query?

940

Is access included in office 2019?

765

What is a synonym for manipulation?

1002

What are three ways you can use an identity value inside a trigger? Why would you prefer one way over another?

1001

Explain active/passive and active/active cluster configurations?

1062

How to save space when inserting rows monotonically?

909

What is set nocount on and what is set nocount off?

935

Please explain compound trigger in oracle?

1062

how files are stored in Neo4j?

How do you know the all indexes available for a collection?

Why neo4j is called graph database?

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