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

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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 are the indexes in mysql?

1085

In which language it is written?

1012

What is mysqlcheck do?

1086

How to use mysqldump to create a copy of the database?

1142

What mysql -u john -p command does?

1031

List some mysql advantages and disadvantages?

1017

Explain timestamp?

1021

What is mysql default port number?

1057

What is “i_am_a_dump” flag in mysql?

1142

What is difference between group by and order by clause?

1019

Explain the difference between mysql and mysql interfaces in php?

1165

how many types of object cache in neo4j?

what is object cache in neo4j. how many types of they are?

List some popular graph databases?

what is object cache in neo4j?

Un-Answered Questions { Databases }

What are the non-standard sql commands supported by 'mysql'?

1054

Explain ranking functions?

1099

What is the difference between rank and dense_rank?

1167

How do you use a subquery to find records that exist in one table and do not exist in another?

1094

Is foreign key a primary key?

1180

What are the 5 databases?

908

What are all the different normalizations?

1078

Explain what is mysql?

1083

Explain openquery function and openrowset function?

995

How do you use auto increment?

976

What is a record in a database?

1105

Explain what is lock escalation and what is its purpose?

987

What are the 'mysql' command line options?

1053

Have you heard about sixth normal form?

1073

How do I view a procedure in sql server?

1038

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