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 can you generate profile of pl/sql applications to identify performance bottlenecks?

Oracle,

1079

what are the benefits of flashback feature?

Oracle,

1022

how can you communicate with operating system files from oracle?

Oracle,

1050

what functionality does oracle provide to secure sensitive information?

Oracle,

993

how can you find out if a table can be redefined?

Oracle,

1012

when does an alert gets signaled?

Oracle,

1050

what are the types of connection load-balancing?

Oracle,

999

how can you create a user-defined lock?

Oracle,

1017

Can you redefine a table online?

Oracle,

1116

suppose you want to audit specific activities on sensitive data. How can you achieve that?

Oracle,

1001

what is the use of ocr?

Oracle,

1031

what is grd?

Oracle,

1094

how can you get actual data change values from previous transactions in oracle?

Oracle,

1088

what is the use of recording information about current session?

Oracle,

1053

how can you enable flashback feature?

Oracle,

952

Un-Answered Questions { Databases }

Mention the command used to rename the database.

1005

Give the various rollback segment states.

1052

how can you create an empty table from an existing table? : Sql dba

1154

What is java sql drivermanager?

1091

Can a synonym name of a table be used instead of a table name in a select statement?

1030

What is the newest version of microsoft access?

804

How many entries can mysql handle?

1010

what's the difference between a primary key and a unique key? : Sql server database administration

949

What is the difference between mongodb and cassandra?

What is the difference between database trigger and stored procedure?

1074

Explain the advantages of merge replication?

951

Which method is used to update multiple document?

Is mysql good for big data?

937

How to connect a sql*plus session to an oracle server?

1126

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

997

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