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 a sequence in a database?

1011

What is database bloat?

917

What is difference between database and schema?

1002

What is the best database to use?

904

What is vacuum in database?

881

When would you use a database?

927

Which database is best for storing large data?

912

Where is the data stored in a database?

1058

What is blob database?

950

Is it good to store image in database?

908

Which is the most used database?

951

What is a key in database?

918

What is the difference between a catalog and a database?

942

What is information schema in database?

976

How does mongodb store data?

Un-Answered Questions { Databases }

what is the difference between a having clause and a where clause? : Sql dba

1105

Can we group by two columns in sql?

1006

When are stored procedures compiled in sybase?

856

how to do transactions/locking in mongodb?

Explain “@@rowcount” and “@@error” in sql server?

1100

What is the purpose of firebase?

996

Explain an index segment?

1129

Is oracle a language?

960

What is connection pooling in postgresql?

920

what are the limitations of mysql in comparison of oracle? Mysql vs. Oracle. : Sql dba

973

How can we run batch mode in mysql?

1072

Does a sql server 2005 select statement require a from?

1031

Define phantom deadlock.

1027

What is partition in sql server?

1052

What are the steps to follow when preparing to create a table?

899

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