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

Can foreign key be deleted?

979

Can a table have 2 primary keys?

1036

What are the components of dbms?

999

Can an entity have two primary keys?

1034

How is foreign key related to primary key?

1015

Can foreign key be duplicate?

1121

What are the five major components of a dbms?

970

Can two tables have the same primary key?

1273

What are the properties of primary key?

1020

What do you mean by normalisation?

1118

What are the 3 types of schema?

1187

Can we join two tables without primary key?

1099

What are the types of normalization?

1081

What are the elements of dbms?

1017

How many types of objects are there?

1079

Un-Answered Questions { Databases }

What are the difference between sql and mongodb? Explain

What is analysis service repository?

1069

What are xml indexes?

1010

Explain the etl (extraction, transformation, and loading)?

1058

What are commit, rollback, and savepoint?

1051

What is spatial and temporal data?

1050

What is the usage of when clause in trigger?

1094

What does trigger mean in slang?

1131

Explain the use of containers in ssis and also their types?

1026

What is a file group?

1173

What is localhost in mysql?

1064

How do I connect to mysql database?

1099

How do I use google cloud in sql?

1158

explain different levels of normalization? : Sql server database administration

1053

How to fine-tune reports?

279

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