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

Why left join is used in sql?

979

How much does sql certification cost?

1088

How do I run a sql script?

1146

How many tables can you join in sql?

957

What does <> sql mean?

1086

What is foreign key sql?

985

What is the current version of sql?

1023

How do sql databases work?

995

Can you do multiple joins in sql?

1050

What is the best free sql database?

1051

What is recursive join in sql?

1018

How do I sort a table in sql?

1044

How do you select unique values in sql?

997

How do you delete duplicates in sql query using rowid?

946

What is cross join sql?

917

Un-Answered Questions { Databases }

Can we save images in mysql database?

904

What are the indexing capabilities of neo4j?

how mysql optimizes distinct? : Sql dba

1079

What is Dependency Injection and provide example?

1117

Where are the settings stored for each instance in oracle?

1105

How index is implemented in oracle database?

1006

What is cursor in mysql?

897

What are the consideration at tehe migration of Oracle 9i to 10G.

3065

Does server sql treat char as a variable-length or fixed-length column?

1032

What is sqlservr.exe - process - sql server (sqlex?press)?

1108

Give us a non-computer example of preemptive and non-preemptive scheduling?

921

Explain 3nf?

949

What is dirty read?

1080

Explain the phases a transaction has to undergo?

1057

Why do we need object libraries?

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