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 many types of normalization are there?

966

How do you write an index?

971

Is clustered index a primary key?

950

How do I delete a trigger?

968

How do you delete a table?

1082

How do I remove duplicates in two columns?

1073

How do I find duplicates in two columns?

1172

How can I delete duplicate rows?

1020

How do rank () and dense_rank () differ?

1047

Are stored procedures faster than queries?

948

What schema means?

892

Is delete faster than truncate?

1003

Can we use rowid as primary key?

990

How do you remove duplicate records from a table?

943

How do you truncate?

913

Un-Answered Questions { Databases }

What do you mean by % and _ in the LIKE statement?

985

What happens when the SQL Azure database reaches Max Size?

111

What is the full form of mysql?

1014

What is the difference between sum and count in sql?

988

what is datawarehouse?

1120

What is sybase? What are its important features?

1022

What is the advantage of nosql?

1061

What is default schema in mysql?

934

Explain an extent?

1109

Is Mysql query is case sensitive?

1026

Have you attend the client meetings?

621

How can I get data from a database on another server?

998

How to get maxsal , minsal, ename department wise in single query

1550

What is sql profiler. What are the default templates with it? : sql server database administration

1047

How do I become a dba?

586

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