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 does (+) mean in sql joins?

1026

Why we use joins in sql?

933

What is the best sql course?

943

What are the basic sql commands?

1047

What is trigger and how to use it in sql?

972

Why do we use joins in sql?

919

What is a rank in sql?

912

What is trigger in sql?

1037

How do sql triggers work?

993

What type of join is sql join?

931

What is the use of count (*) in sql?

997

What is difference between rank () row_number () and dense_rank () in sql?

1059

What is sql rowcount?

957

What is equi join in sql?

1020

What is the difference between distinct and unique in sql?

889

Un-Answered Questions { Databases }

What is difference between ms sql and mysql?

923

What is difference between group by and order by clause?

918

How do I view a mysql database?

864

What are alternate keys?

944

What is the new security features added in sql server 2014? : sql server security

957

table structure: ---------------- col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10 01-mar-2012 11:12:46 01-mar-2012 11:11:23 Write a query to display the result as shown below: col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

4125

What is format trigger?

2025

how is exception handling handled in mysql? : Sql dba

1017

Explain an incremental backup?

946

What are different type of normalization?

924

you notice that the transaction log on one of your databases is over 4gb the size of the data file is 2mb what could cause this situation, and how can you fix it? : Sql server administration

921

Explain the benefits and uses lexical parameter.

Can we commit inside a function in oracle?

929

Explain Geometry datatype in sql server 2008 with example

928

How do I truncate a word?

1016

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