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

Oracle (3258)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3328)
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 to change sql*plus system settings?

732

What is output spooling in sql*plus?

752

What is oracle sql developer?

805

How to place comments in pl/sql?

807

How to install oracle sql developer?

780

What are sql*plus environment variables?

780

What operating systems are supported by oracle sql developer?

722

What are the parameter modes supported by pl/sql?

747

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

834

How to run sql statements through the web interface?

740

How to run sql commands in sql*plus?

797

What is null in pl/sql?

819

How to look at the current sql*plus system settings?

771

How to run pl/sql statements in sql*plus?

769

How many scalar data types are supported in pl/sql?

732

Un-Answered Questions { Databases }

What are different types of clusters present?

793

How to shut down the server with 'mysqladmin'?

723

Why do we use view in sql?

735

Explain various types of locks in a transaction? Which is better and why?

783

What is the difference between specialization and generalization?

766

What is vacuum in database?

660

What is pl sql code?

767

What is a directory object?

821

Why packages are used in oracle?

776

What are sql server procedures?

749

Explain filestream storage of sql server 2008?

710

How to write date and time literals in oracle?

734

What is the master or primary key in mongodb?

what is index? : Sql dba

755

How can you ensure that the database and sql server based application perform well?

803

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