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

Does vacuum full reindex?

838

What is pg bouncer?

772

How does clustering in improving the performance?

866

What does mvcc mean?

851

Does drop table remove indexes?

818

What is cluster control?

845

How do I remove all rows from a table?

860

What is stack builder?

840

What is medical indexing?

849

What is pg_hba conf?

779

What port does pgadmin use?

796

What is a user view?

768

Why is pgadmin used?

865

What does edb stand for?

1037

Which key can be used to execute a query in the query editor?

853

Un-Answered Questions { Databases }

What are the features of Embedded SQL

1148

What is a text delimiter?

942

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

1101

Difference between CHAR and VARCHAR?

1114

What can be the maximum size of an access database?

837

Explain about thread and memory management process of SQL?

989

How to connect to sybase database from linux?

1007

how to show all tables with 'mysql'? : Sql dba

1128

What do you mean by Correlated subquery?

871

Explain what is row_number function?

1055

What are the various oracle database objects?

1160

What is replication and database mirroring?

1060

Compare the terms mongodb and couchdb?

What is the default port for mysql and how it can change?

1075

I have applied the following commands: now what will happen, will the database will give an error / it will work?

564

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