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

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Sybase (267)
DB Architecture (141)
DB Administration (291)

DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
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Firebird (5)

Database Management (1411)
Databases AllOther (288)

Databases Interview Questions

Questions Answers Views Company eMail

What is gridfs in mongodb?

1 79

How does sharding work with replication in mongodb?

1 77

What is bson and how can restore this file in mongodb?

1 83

Do mongodb databases have tables and schemas?

1 69

Can you edit long shell operations with an external text editor?

1 81

Now days, what makes mongodb best?

1 60

How to determine the size of an index?

1 67

What is mongodb and why we use?

1 65

What are 32-bit nuances?

1 77

What happen when an index does not fit into ram?

1 76

Can you perform read/write operation for ever yield lock?

1 70

Does mongodb run on amazon ebs?

1 86

What types of languages use to work with mongodb?

1 79

Does mongodb support sql server?

1 78

In which language mongodb is written?

1 81

Un-Answered Questions { Databases }

What are different types of constraints?

996

how to use regular expression in pattern match conditions? : Sql dba

1105

Is primary key always clustered index?

1092

How to write a left outer join with the where clause in oracle?

1149

what are all the common sql function? : Sql dba

1127

what is spatial nonclustered index

1054

Is microsoft getting rid of access?

883

What versions of clipper does netlib support?

1088

1. What is Container? 2. Tell me about your project? 3. Which container you are used in your project? 4. What is Surrogate key? 5. How you are implemented it? 6. Difference between Server job and Parallel job? 7. What is your Target Database? 8. What is Source System? 9. Difference between Join and Lookup? 10. Are you maintaining historical data? What is the logic used to maintained to historical data? 11. Do you have documents for mapping?

1844

what is collation? : Sql dba

1227

Does group by remove duplicates?

1112

Why we use the openxml clause?

1072

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

1073

What is the difference between upgrade and migration in sql server?

1179

If you're given a raw data table, how would perform etl (extract, transform, load) with sql to obtain the data in a desired format?

1041

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