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

Oracle (3259)
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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)
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Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

How does join work in sql?

965

What is a primary key sql?

1000

What is trigger in pl sql with examples?

990

What is row_number () in sql?

939

What is count * in sql?

942

What are sql commands?

942

What is varchar data type in sql?

1021

How do you sort in sql?

961

What is foreign key in sql with example?

894

Is sql pronounced sequel or sql?

1222

How many joins in sql?

953

What is the difference between sum and count in sql?

945

What is the advantage of index in sql?

921

What is schema in sql?

889

Why do we create views in sql?

1060

Un-Answered Questions { Databases }

What do you mean by oracle dba and what is its role?

544

What is 3nf in the dbms?

852

What are the main benefits of using spfile over pfile?

592

How to get maxsal , minsal, ename department wise in single query

1505

What is rdbms table?

929

How to Sync Two SQL Azure Databases?

119

Tell me what is log shipping?

942

Can journaling features be used to perform safe hot backups?

What do you mean by % and _ in the LIKE statement?

946

What is difference between primary and secondary key?

985

How do I find my mysql username and password?

926

What is an explain plan and how does it help in optimizing the sql query?

what is constraints?

1074

What is concurrency in oracle?

955

What do you understand by exception handling in pl/sql?

976

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