Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle (3258)
SQL Server (4518)
MS Access (429)
MySQL (1402)

Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3328)
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

How to create DSN..Explain?

Accenture, BeBo Technologies, Infosys,

2 22829

What is the difference between SQL, DDL, and DML?

BeBo Technologies, Wipro,

7 71959

What are inner join and outer join?

3 12439

What are joins..how many types of joins are there?

Amdocs, CSC, TCS,

29 79969

what are Triggers?

TCS,

7 14897

what are stored procedures?

TCS, Wells Fargo,

7 13493

what are indexes..how many types of index's are there and what are they?

Green Info Solutions, TCS,

7 17947

what are views?

TCS,

8 21098

what is web server?

Satyam,

3 12795

What are functions

3 10019

What are the different table present in MYsql?

3 12645

What is the difference between mysql_fetch_array and mysql_fetch_object?

CTS,

4 13176

what is the difference between oracle 81,91,11i

i2, Oracle,

2 18295

How client makes connection with server in client/server architecture?

CA,

1 5097

Is Oracle 7.3 is a single user or multi user..Is it possible to use this as a backend for web applications?

2 5848

Un-Answered Questions { Databases }

What is the most common type of join?

730

When I delete any data from a table, does the sql server reduce the size of that table?

768

What are the extra roles available in msdb? : sql server security

852

Tell me about the approaches which you used to counter the DI problems.

1004

Are sql connections encrypted?

756

How to transfer a table from one schema to another?

745

What is the use of mongodb compass?

What is the full form of dba?

413

Is inner join faster than left join?

882

How to convert characters to numbers in oracle?

789

What is indexing in mysql?

625

How to define a variable of a specific record type?

839

What exactly is a database?

617

What are horizontal and vertical scaling?

166

What is dknf in normalization form?

742

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