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

Enlist the advantages of normalizing database.

1044

What do you mean by fill factor concept with respect to indexes?

976

Define database system.

978

Enlist the disadvantages of query.

1185

Differentiate nested loop, hash join and merge join.

1065

Define database model.

1052

Define object-oriented model.

1046

Segregate database technology's development.

1565

Define denormalization.

1191

Define b-trees.

916

Define scalar functions.

992

What do you mean by entity type?

1087

What is executive plan?

931

Define entity.

960

Why is group-clause used?

963

Un-Answered Questions { Databases }

what are the advantages of mysql in comparison to oracle? : Sql dba

1018

What is master database? : sql server architect

894

What are the several file extensions in ms access?

996

Is sql similar to mysql?

916

why does a sql statement work correctly outside of a user-defined function, but incorrectly inside it? : Sql server administration

1091

How to avoid using cursors? What to use instead of cursor and in what cases to do so?

1207

Where is mongodb data stored?

What do you mean by Oracle MEDIA RECOVERY?

1241

How do I configure identities in sybase?

872

What is longblob?

995

Explain what is “asynchronous” communication in sql server service broker?

933

How do I delete a database in phpmyadmin?

897

Who developed mongodb?

How to start SQL Server in minimal configuration mode?

8002

How can we implement rollback or commit statement in a trigger?

1046

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