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

Oracle (3238)
SQL Server (4518)
MS Access (429)
MySQL (1385)

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

DB Development (113)
SQL PLSQL (3300)
MongoDB (502)
IBM Informix (50)

Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)

Database Management (1391)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

How to create DSN..Explain?

Infosys, BeBo Technologies, Accenture,

2 17915

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

Wipro, BeBo Technologies,

7 63818

What are inner join and outer join?

3 9206

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

CSC, TCS, Amdocs,

29 64678

what are Triggers?

TCS,

6 9838

what are stored procedures?

TCS, Wells Fargo,

7 8031

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

TCS, Green Info Solutions,

7 13055

what are views?

TCS,

8 14736

what is web server?

Satyam,

3 9150

What are functions

3 6904

What are the different table present in MYsql?

3 9287

What is the difference between mysql_fetch_array and mysql_fetch_object?

CTS,

4 9383

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

Oracle, i2,

2 15552

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

CA,

1 3041

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

2 3630

Un-Answered Questions { Databases }

What are the two types of indexes and explain them in detail? Or what's the difference between clustered and non-clustered indexes?

Do you know how to implement service broker?

What are the different methods available under sqlcommand class to access the data?

Difference between sql and mysql?

1091

How do I start a pgadmin server?

What is the difference between db-lib and ct-lib in sybase?

Tell me something about security and sql azure?

Why use identity in sql server?

What is mysql routine?

What happens internally when the user types userID/password@string in SQL PLUS Thanks-Bhaskar

2735

How does normalization work?

Can postgres scale horizontally?

Can we take the full database backup in log shipping?

What are types of exception?

Can views update documents or databases?

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