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 triggers?

973

How to upload a large file through phpmyadmin in mysql?

967

How we can get the current date in mysql?

971

Explain the different types of constraints in dbms?

1026

What do you mean by aggregate and scalar functions in dbms?

943

What is a concurrency problem in dbms?

991

What is rdbms and also explain its components?

1112

Explain types of indexing in dbms?

1089

Explain the necessary techniques to control deadlocks?

928

Why dbms is used?

955

Explain the different types of database keys?

990

What is index and also explain types of indexing in dbms?

986

How is rdbms different from dbms?

965

Explain the difference between physical and logical data independence?

928

What do you mean by checkpoints in dbms?

889

Un-Answered Questions { Databases }

What is a null value in access?

906

What is the use of set nocount on/off statement?

1112

Differentiate between transaction type and transaction source? : oracle accounts receivable

1124

How do I rename a column in postgresql?

934

Explain the use of decode function

What is nolock hint in sql server 2008

1142

what is rcp,if rcp disabled what happen?

2231

How to know the Architecture of the Database

1174

How do I start mongodb in terminal?

Is vs as in pl sql?

998

What are the uses of synonyms?

1153

How do I create a foreign key in postgresql?

778

What are the advantages of using stored procedures?

967

How can you tell how much space is left on a given file system and how much space each of the file systems subdirectories take-up?

2848

What is metadata in mongodb?

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