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 constraints? Also explain the different types of constraints?

985

What is mysql and why it is used?

1098

How to show table structure mysql?

1019

What is federated tables in mysql?

925

Explain the storage engines in mysql?

1015

What are the difference between mongodb and mysql?

1 1368

Write a query to find duplicate rows in table?

919

Write a query to fetch duplicate records from a table using mysql?

947

How to make a copy values from one column to another in mysql?

1047

How we can create index in mysql?

991

What is mysql aggregate functions? Explain

1104

what is constraints?

1175

What's new in mysql 8?

1003

Is mysql is a programming language?

1008

List data types in mysql? Explain

934

Un-Answered Questions { Databases }

What is inline variable assignment?

1040

How do you maintain database integrity where deletions from one table will automatically cause deletions in another table?

1208

Is database a storage?

910

How many rows can sqlite handle?

1132

What is asa in sybase?

953

What is sql server and ase?

1039

How does sql developer connect to oracle database?

1014

What is database white box testing?

1135

How to drop an index in oracle?

1087

What is an escape character in sql?

1046

How to provide default values to function parameters?

1155

How exception handling is done in advance pl/sql?

989

How can check sql version from command line?

1098

Do you know nested transaction?

974

Are stored procedures precompiled?

1001

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