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

Oracle (3253)
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

Which language is used to write couchdb?

Mention the key features of couchdb?

Compare the terms mongodb and couchdb?

State few elements in couchbase node?

State the use of couchdb?

What do you mean by cubes and olap cubes?

Differentiate between etl testing and manual testing.

List few disadvantages of file processing system.

968

How index hunting contributes in improving the query performance?

1012

Enlist the types of cursor?

1022

What is join? Mention its types.

1082

Mention the types of join?

946

How many types of database language exist?

1109

Mention some disadvantages of query?

1032

What is database normalization? Explain types of it.

1046

Un-Answered Questions { Databases }

What is the stored procedure to view current lock and processes respectively?

950

How do you optimize a stored procedure query?

1043

Explain openquery function and openrowset function?

995

Explain the rollup operator?

1143

What is left join example?

1009

What do you understand by sql server agent?

1030

What are packages in pl sql and also explain its advantages?

1125

Explain linked server in sql?

1296

What is primary key and foreign key with example?

985

How to provide column names in insert statements in ms sql server?

1228

What is the password of postgres user?

876

how you can run CQL commands in Neo4j?

What is the starting oracle error number?

1103

Is it possible to run multiple publications and different type of publications from the same distribution database? : sql server replication

1036

What is difference between clustered and non clustered index?

1038

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