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 the point of foreign keys?

791

What is the difference between a primary key and a composite key?

810

What is foreign key in java?

849

How do I start pgadmin?

776

How do I add a foreign key in pgadmin?

927

What is a foreign key constraint why are such constraints important?

804

Is foreign key required?

755

What is composite primary key?

875

What is pgadmin tool?

886

How do you enter data in pgadmin4?

875

Is foreign key should be unique?

782

What is lookup wizard access?

846

What are the advantages of microsoft access?

910

What are modules in ms access?

808

What is ms access table?

852

Un-Answered Questions { Databases }

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

1017

What is write ahead logging in sql server?

1066

Why do we need sharding?

1012

How to remove row affected and dashes?

928

Can sql servers linked to other servers?

1062

What is db driver?

977

What do you understand by b-trees?

1059

Why do we need mysql?

985

How to create student table through query with a numeric column of ID and Name of Chaeacter and D-O-B with date type in database What will be the query for this purpose?

1028

Can I join the same table twice?

1069

What is the rdl file?

141

What is background process in Oracle?

1116

Name the three major set of files on disk that compose a database in Oracle?

1139

How do I view output in sql developer?

1091

What is keys and its types?

1091

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