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

Explain about network model?

1012

Explain about relational operator join?

1057

What are the three basic rules which are to be followed for the relational model of the database?

1040

Explain about the relational database?

1100

Explain about post-relational databases?

1038

Explain about a primary key?

997

Explain what a database is?

1059

State the acid rules?

1149

Explain the process of the user request and data generating?

1110

Explain about the storage and physical database design?

928

Explain about xml databases?

1090

Explain about normal forms?

1066

Explain about the database management systems.

989

Explain about the hierarchical model of the database?

1134

Explain about relational database management systems?

982

Un-Answered Questions { Databases }

How can we force the database to use the user specified rollback segment?

1163

Difference between LEN() and DATALENGTH() in sql server ?

1153

Explain alias in sql?

1065

Name the operator which is used in the query for pattern matching?

979

How do triggers work?

964

Please post the scenerois for writing the complex sql queries , for my practice.Can be any query if you cannot solve.

2561

When is the update_statistics command used?

1140

What is a left join mysql?

915

What is the purpose of reports in a database?

899

What is user-defined scalar function?

981

What are statistics?

1017

What are the different types of partitions in oracle?

991

What's the latest version of mysql?

1001

How do I modify a table in postgresql?

906

Does anyone still use microsoft access?

939

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