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?

1063

Why we use joins in sql?

982

What is the best sql course?

984

What are the basic sql commands?

1092

What is trigger and how to use it in sql?

1021

Why do we use joins in sql?

970

What is a rank in sql?

963

What is trigger in sql?

1099

How do sql triggers work?

1041

What type of join is sql join?

982

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

1053

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

1101

What is sql rowcount?

1019

What is equi join in sql?

1073

What is the difference between distinct and unique in sql?

948

Un-Answered Questions { Databases }

ABOUT IDENTITY?

2057

Can you create an index on an array field in mongodb? If yes, what happens in this case?

What is varchar example?

1029

How do I open microsoft access on my computer?

853

How do I connect to a postgresql database?

990

Can u please explain me the Discussion on Except ,using cast like type cast. Question in the context of difference between two tables

2059

What are the basic sql commands?

1092

How to use "in out" parameter properly?

1048

What is oracle instant client?

1024

What is partial key?

1057

Can we write pl sql mysql?

946

What are the topics in pl sql?

970

What is the use of @@spid?

1001

What are oracle functions?

1030

how to create “alternate row colour”?

146

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