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)
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Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

What is rds instance?

827

What is the schema of a table?

904

What is difference between drop and delete?

953

What is foreign key violation?

867

Where is pgadmin installed?

798

Does unique index improve performance?

829

Is primary key indexed by default?

810

How long does it take to create an index on a large table?

766

How do you delete data on pgadmin?

836

Where is pg_hba conf file?

778

What is performance_schema?

833

What is a dead tuple?

813

What is pg_catalog?

761

Which command is used to modify the rows?

863

How do I view blob data?

873

Un-Answered Questions { Databases }

What is sql profiler in oracle?

1112

What is a join in mysql?

929

What are window functions in sql server?

1018

What is the most important ddl statements in sql are?

1012

What are the parts of a table?

1009

Difference between open_form and call_form in oracle.

1181

How many categories of data types used by sql server?

1035

How much memory that we are using in Logshipping Concept?

1808

What is the difference between inner join and left join?

1007

What is the function of Redo Log in Oracle?

1238

What is the partitioning method?

1033

Name three of the features managed by the surface area configuration tool? : sql server security

1008

Define Unique Key?

1032

Mention what is olr?

How to get a list of table columns using the "sp_columns" stored procedure in ms sql server?

1028

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