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 are the four objectives of the selection of a data type?

938

What do you mean by entity type extension?

1076

What are stored-procedures? And what are the advantages of using them.

991

Briefly describe the three types of sql commands.

1022

Explain snapshot replication.

968

What is artificial key?

899

why an information gap exists in most organizations.

1036

Describe and contrast sql and qbe.

949

What is alternate key?

936

What are some of the important security features of a dbms?

895

Describe a subquery.

1055

What is the difference between horizontal and vertical partitioning?

1002

What is oracle block?

891

Describe the differences between vertical and horizontal portioning.

1048

Compare a hierarchical and network database model?

998

Un-Answered Questions { Databases }

Tell me what are the essential components of sql server service broker?

962

When should you increase copy latches?

652

What are transactions in sql?

1079

How do you update a sql procedure?

1040

Is the syntax correct? Explain the meaning of the syntax given below: $dbc = mysqli_connect('data.aliensabductedme.com', 'owen', 'aliensrool', 'aliendatabase');

985

What is meant by a database?

1018

How many tables can a sql database have?

989

How to check if a column is nullable before setting to nullable?

1142

What are the advantages of ms access?

874

What is the easiest method to create a file on unix?

577

How do you change columns in postgresql?

947

How do you link a spreadsheet to a website?

936

What is store procedure? When do you use?

950

What do you mean by query evaluation engine?

988

What is sqlerrd?

976

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