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

What is proper subset of candidate key?

1015

What is the concept of optimization?

1069

What is the benefit of normalization?

1094

What is the full meaning of dml?

967

What is optimization and its types?

1002

What is a ddl statement?

927

What is difference between equi join and inner join?

970

What is the most common type of join?

1004

What is a periodical index?

944

What is abstracting periodical?

959

What is mean by candidate key?

1024

What is purpose of normalization?

964

What is the difference between composite index and covering index?

966

What is difference between count (*) and count column?

916

What is the synonym of join?

976

Un-Answered Questions { Databases }

What is difference between database and spreadsheet?

1068

How many types of triggers in sql server?

1043

How do I remove sql developer from windows 10?

1124

What is the partitioning method?

1033

Difference between cartesian join and cross join?

1062

What methods is used to commit the changes made in DataSet object?

1068

Retrieve the unique rows from table without using UNIQUE and DISTINCT keywords.

1021

What is sql table?

981

Why coalesce is used in sql?

1024

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

1047

Define magic tables in sql server?

1077

Can we create clustered index on composite key?

1101

Explain neo4j.

What are five main functions of a database administrator?

872

How to activate all indexes in firebird?

1070

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