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 do you understand by aggregation and atomicity?

960

Do we consider null values the same as that of blank space or zero?

1027

What do you understand by the terms entity, entity type, and entity set in dbms?

958

Explain what is a deadlock and mention how it can be resolved?

935

What do you understand by the view and mention the steps to create, update and drop a view?

925

What do you understand by cursor? Mention the different types of cursor?

1160

Mention the different types of cursor?

1071

Mention the differences between trigger and stored procedures

1270

what is the difference between two and three-tier architectures?

988

Explain the working of foreign key?

1140

What is primary key and unique key?

1171

Why do we need databases?

1093

What are primary key and foreign key and how they work?

1024

What are the different types of dbmss?

1062

What are the advantages of normalization?

1132

Un-Answered Questions { Databases }

Explain full-text indexing?

1047

Why left join is used in sql?

1022

What are object group?

Is sybase sql?

950

What is the recursive stored procedure in sql server?

1083

Why are databases so important?

1001

How to convert character strings to numeric values?

1180

How to filter records of table in SQL SERVER?

1136

what are the advantages of using stored procedures? : Sql dba

1160

Is vs as in pl sql?

1042

Explain materialized views and how they are used.

2501

What is unique key example?

974

Is mariadb faster than mysql?

1013

What are the various ways to execute a query in teradata?

2660

Can a table be created inside a trigger?

1014

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