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

What is case function?

1096

How many row comparison operators are used while working with a subquery?

1077

What are the 3 modes of parameter?

1211

Is it possible for a table to have more than one foreign key?

1084

Explain the difference between rename and alias?

1073

What do you mean by rowid?

1025

Explain dml and ddl?

1064

What is the primary key?

1004

How to select all records from the table?

1190

How to write a query to show the details of a student from students table whose

1067

List different type of expressions with the example.

973

Define join and name different types of joins?

1058

What do we need to check in database testing?

1069

How we can update the view?

1107

How do we use distinct statement? What is its use?

1077

Un-Answered Questions { Databases }

Is postgres a mpp?

963

What are data types in pl sql?

1200

Explain degree of a relation?

963

What is rdbms architecture?

970

How do databases work?

959

Why do you think it is advised to not to use guid and character columns as clustered index arrays?

1176

How to connect sybase database from python?

1128

What is a view in sql?

1026

What is autonumber in ms access?

925

What is primary key and unique key?

1171

What do you mean by an execution plan? Why is it used?

1083

How to select random rows from a table?

1137

In which sql server version report builder introduced?

152

What is the main component of ms access database?

841

what are different types of keys in sql?

1224

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