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 do you understand by the oracle?

555

Explain the term 'oracle grid architecture'?

595

What are the different types of backup available in the oracle?

593

What are the main benefits of using spfile over pfile?

646

What do you understand by the term 'normalization'? Explain the various modes of normalization?

561

What are a database and a data warehouse?

1038

What do you understand by the denormalisation?

976

What is an index in sql?

1019

Name few of the dcl commands in sql?

1022

What is join and name different type of joins?

1060

Is there any difference between the primary key and unique key?

1017

Name the different type of indexes in sql?

979

Can you name some of the dml commands in sql?

1049

What is a view and what are its advantages?

1124

What according to you is the difference between mysql and sql server performance?

1102

Un-Answered Questions { Databases }

what is the difference between char and varchar data types? : Sql dba

1135

If a table does not have a unique index, can a cursor be opened on it?

925

What is an example of a database?

1096

What are the advantages of database management system?

954

Is t sql a programming language?

1079

Describe the purposes and advantages stored procedure?

1028

Is it possible to link two groups inside a cross products after the cross products group has been created?

1013

Can we use max in where clause?

944

What does indexation mean?

991

what is a replica set?

Mention what does plvtab enables you to do when you showthe contents of pl/sql tables?

1182

Can I join the same table twice?

1058

How can you determine if an index needs to be dropped and rebuilt?

573

explain databases and sql server databases architecture? : Sql server database administration

977

Write a query to fetch common records between two tables using mysql?

1038

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