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?

918

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 the Cdc?

712

What do you know about system database? : SQL Server Architecture

1000

How do I flush privileges in mysql?

1018

What query tells you how much space a tablespace named test is taking up, and how much space is remaining?

2291

How many indexes per table are allowed in postgresql?

864

What the different types of replication and why are they used? : sql server DBA

1190

What is the difference between database and server?

1040

What is cross join sql?

928

Is there any restriction on the use of union in embedded sql?

1172

Does sql view stored data?

963

How can I know what locks are running on which resource?

967

I create a separate index on each column of a table. What are the advantages and disadvantages of this approach? : Sql server database administration

1105

How do you run a query?

1001

What is the technical flow associated with P2P or Procure to Pay cycle like the tables, APIs, concurrent programs involved in this cycle. Only technical please.

3954

What is a result set object returned by mssql_query()?

1173

For More Un-Answered { Databases } Questions Click Here