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

Oracle (3253)
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

Which are the storage engines used by mongodb?

1 67

What is the difference between mongodb and cassandra?

1 77

Explain the covered query in mongodb.

1 63

Can journaling features be used to perform safe hot backups?

1 71

What is the method to configure the cache size in mongodb?

1 70

What is replica set in mongodb?

1 60

Can you achieve primary key - foreign key relationships in mongodb?

1 69

What language you can use with mongodb?

1 80

What are the different types of nosql databases? Give some example.

1 73

How does mongodb provide concurrency?

1 74

What is a storage engine in mongodb?

1 59

What is the importance of covered query?

1 70

Does mongodb need a lot space of random access memory (ram)?

1 84

What is crud in mongodb?

1 75

What is the usage of profiler in mongodb?

1 66

Un-Answered Questions { Databases }

What are the different subsets of sql?

1648

how to start mysql server? : Sql dba

1265

how to escape special characters in sql statements? : Sql dba

1113

Where can you add custom error messages to sql server?

1206

How to start an oracle instance?

1103

Is primary key always clustered index?

1094

How to define array in mongoose schema?

What is clustered index

1083

What is the current mysql version?

1099

What are wait types?

1247

Is microsoft getting rid of access?

885

How efficient you are in oracle and SQL server?

1255

what are the advantages of sql ? : Sql dba

1140

Explain system functions or built-in functions? What are different types of system functions?

1063

Explain “row_number()” in sql server with an example?

1074

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