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 purpose of primary key?

1045

What is the purpose of the primary key?

1084

What is the use of primary key?

1027

What is update query?

1001

What makes a good primary key?

1066

What program will open a mdb file?

982

Why do we need a foreign key?

1114

Why primary key is required?

1020

What is the difference between integer and long integer in access?

932

What is the latest version of microsoft access?

920

What is the maximum number of rows in access 2010?

905

What is the difference between form and report in ms access?

932

What is the maximum length a text field can be in access?

775

What is the use of ms access 2007?

802

What is the main component of ms access database?

800

Un-Answered Questions { Databases }

Mention a query to calculate the even and odd records from a table

978

What is the difference between alert log file and tarce file ?

2186

What is collation?

1152

How do you create a database in access?

976

What is normalization? Explain its different types?

1112

What do you mean by redo log file mirroring?

1047

What are the differences between primary key and unique key?

1022

What is mysql data directory?

1014

Is foreign key a primary key?

1113

What are the new features introduced in SQL Server 2000? What changed between the previous version of SQL Server and the current version?

2378

What is oracle full backup?

578

What do you know about couchdbkit?

How do you generate file output from sql?

633

Explain the use of consistent option in exp command.

1084

What is 2NF?

855

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