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 are the data types in postgresql?

914

Does postgres support json?

874

How do I add a column in postgresql?

871

How do I start postgresql on windows?

931

What are the benefits of postgresql?

869

What is bytea in postgres?

878

What is maximum size of text datatype in postgres?

858

How do I add one column in postgresql?

846

What is serial data type in postgresql?

915

How do I connect to postgresql database using pgadmin?

855

How do I change the default postgres password?

865

How big can a postgres database be?

932

What is foreign key in postgresql?

917

How do I connect to postgresql remotely?

887

What is use of postgresql?

906

Un-Answered Questions { Databases }

What is a relational database management system?

1139

Is it possible to sort a column using a column alias?

1059

Explain the properties of the relational tables?

1011

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

1138

How you can minimize the deadlock situation?

1054

Can a table have no primary key?

1080

Where are mongodb files stored?

What do you understand by b-trees?

1059

Write a query to remove duplicate rows from a table?

904

Where is mysql data stored?

898

What do you understand by proactive, retroactive and simultaneous update?

1181

How to enter date and time literals in ms sql server?

1033

How do I connect to a mysql database?

940

Where can you add custom error messages to sql server?

1138

what is a package n what r the packages availbla in report

2113

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