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 difference between views and stored procedures?

1002

What is the difference between cartesian product and cross join?

876

What is an indexing technique?

951

What is normalization 1nf 2nf 3nf?

1072

What is the library index called?

1074

What is difference between index and primary key?

1108

What is a unique index?

947

What is an indexing strategy?

1024

What is clustered vs nonclustered index?

969

What is the function of inner join?

1091

What is the difference between an index and a unique index?

1016

What are the sql versions?

972

Why do we use triggers?

978

What are keys in sql?

1008

What is trigger price?

1005

Un-Answered Questions { Databases }

Why is the need for data conversion transformations?

1083

How do I call oracle stored procedures that take no parameters?

1133

List types of tables in SQL Azure?

126

Is mongodb relational?

How to find the login name linked to a given user name?

1029

What does mysql workbench do?

877

How many parts of a pl sql block are optional?

1153

Explain about system stored procedure?

1047

How to display error message in postgresql?

1019

What do you mean by extension and intension?

1067

Is time a data type in sql?

916

Does mongodb database have tables for storing records?

How to create a table index in mysql?

974

Why not phenix, the zelinka/otwinoski libraries, etc?

1132

How you can get a list of all the table constraints in a database? : Sql server administration

1044

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