Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle (3253)
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 a logical backup ?

Wipro,

3 15689

What is cold backup ? What are the elements of it ?

1 4846

What are the different kind of export backups ?

1 4559

What is hot backup and how it can be taken ?

1 3663

What is the use of FILE option in EXP command ?

1 3769

What is the use of COMPRESS option in EXP command ?

1 4046

What is the use of GRANT option in EXP command ?

1 3871

What is the use of INDEXES option in EXP command ?

1 3604

What is the use of ROWS option in EXP command ?

1 3727

What is the use of CONSTRAINTS option in EXP command ?

1 4630

What is the use of FULL option in EXP command ?

1 4100

What is the use of OWNER option in EXP command ?

1 3909

What is the use of TABLES option in EXP command ?

1 3599

What is the use of RECORD LENGTH option in EXP command ?

2 10250

What is the use of INCTYPE option in EXP command ?

1 7064

Un-Answered Questions { Databases }

definition of cluster and non-clustered index?

3115

Explain constraints in sql?

1090

Name 3 of the features that the sql server built-in function loginproperty performs on standard logins? : sql server security

1136

Where do you use decode and case statements?

1047

Explain the difference between sql and couchdb?

What is a concurrency problem in dbms?

1031

What are stored procedures and functions?

964

What is a select query statement in oracle?

1033

How to calculate the difference between two dates?

1122

What is data abstraction in dbms?

1102

How to delete duplicate rows in sql server?

1159

Explain what is use of dbcc commands?

1145

Why we should not use triggers?

1016

How to automatically create a log when an exception is being received into SQL Server?

1365

What is write concern in mongodb?

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