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 the difference between indexing and hashing?

1182

What is difference between rownum and rowid?

916

What is a document index?

1041

What is difference between joins and subqueries?

1133

What is a rownum?

993

What is the difference between count () and rowcount ()?

1042

What is the difference between clustered index and primary key?

932

What is a non clustered primary key?

944

What is the process of indexing?

1024

What is the difference between row_number and dense_rank?

898

What is the difference between count and distinct count?

900

What is the datatype of rowid?

939

What is a natural primary key?

1065

What is an inner join?

1003

What is an example of a primary key?

1000

Un-Answered Questions { Databases }

did u received a single file or multiple files

2030

Why does sql need a server?

1048

Is mongodb a firebase?

What is the blob data type?

803

Define ddl interpreter.

1144

Why would you use mongodb?

What is an access macro?

870

What are the key components of oracle’s maximum availability architecture?

How to find the source of a table in sql server?

1012

How subquery works in sql?

1083

What is rac?

What are the different types of keys in database?

890

What is difference between drop truncate and delete?

1108

What is de-normalization in sql database administration? Give examples?

992

What are window functions in sql server?

1018

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