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 is the difference between a primary key and a clustered index?

1006

What normalization means?

989

What is keys and its types?

1090

What is trigger and types?

1035

What are the types of optimization?

970

What is the use of procedures?

986

What are the indexing methods?

1065

Is truncate ddl or dml?

1002

What are the benefits of triggers?

1183

What are the query optimization techniques?

945

What trigger means?

1004

What is the use of non clustered index?

1009

What are the basic techniques of indexing?

1076

What's the difference between inner join and left join?

1012

What view means?

991

Un-Answered Questions { Databases }

What are the various ingredients of sga?

583

What is csv?

963

Give some features of MongoDB.

Why do I get java.lang.abstractmethoderror when trying to load a blob in the db?

1032

explain GROUPBY & HAVING clause with examples.

2303

What is the index key?

941

What is the default sql server instance name?

1050

How to download oracle database 10g xe?

1031

Explain the differences between rdbms and graph database?

What is a transaction? Describe mysql transaction properties.

1117

What are the advantages of postgresql?

853

Can we save images in mysql database?

916

Mention some disadvantages of query?

976

What is a storage engine in mongodb?

Assuming that you are an End User How to find that in the payment Batch some of the Invoice was Missing To pay How to find That??

1756

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