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

Can the SNAPSHOTS be refreshed automatically ?

1 4114

Can the User set Archive file name formats ?

1 6066

Which parameters are optional in init.ora parameter file?

2211

What is the use of NOARCHIEVELOG parameter in Database?

1 5453

Are Constraints exported through Export command?

1 4766

How the status of the Rollback segment can be viewed ?

1 4706

Can we assign Explicitly transaction to a rollback segment

1 4863

What file is read by ODBC to load drivers ?

Oracle,

1 9543

how to find nth highest salary

Cognizant, IBM, NexGen, Oracle,

103 181892

How do you start and stop MySQL on Windows?

3 7746

How do you start MySQL on Linux?

3 7099

Explain the difference between mysql and mysqli interfaces in PHP?

TCS,

10 36445

What?s the default port for MySQL Server?

Yahoo,

4 9852

What does tee command do in MySQL?

1 9143

Can you save your connection settings to a conf file?

1 4728

Un-Answered Questions { Databases }

Can we commit inside a trigger?

988

What is a mutating table and a constraining table?

1114

Is mongodb free on aws?

What is coalesce sql?

998

Where is match command used in neo4j?

How do I find mysql version in mysql workbench?

937

Explain relationships?

814

Explain what is the purpose of sql profiler in sql server?

1076

Are null values allowed?

What is the use of default key?

1157

What are the neo4j features?

How do you bind variables in pl sql?

1094

What are roles in oracle?

573

what is the difference between mysql_fetch_object and mysql_fetch_array? : Sql dba

1061

What is union?

1169

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