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

How to define Data Block size ?

2 5588

What is Row Chaining ?

Cognizant, CTS,

3 12898

What is an Extent ?

3 6391

What is a Segment ?

1 4737

What are the different type of Segments ?

2 4703

What is a Data Segment ?

3 6175

What is an Index Segment ?

2 4777

What is Rollback Segment ?

3 6317

What are the uses of Rollback Segment ?

2 5845

What is a Temporary Segment ?

2 5214

What is a Data File ?

1 4641

What are the Characteristics of Data Files ?

3 6636

What is a Redo Log ?

3 7429

What is the function of Redo Log ?

1 5170

What is the use of Redo Log Information ?

2 6638

Un-Answered Questions { Databases }

What are different types of schemas?

947

Does mysql support pl sql?

1176

What are the two types of cursors in pl sql?

1083

What is replica set in mongodb? Explain

What is hash cluster in oracle?

1174

What does the no logging option do? Why would we be careful of using it?

602

How much does mongodb cost?

How to turn on or off recycle bin for the instance?

1085

Tell me about the approaches which you used to counter the DI problems.

1356

How do you delete duplicate rows in sql server?

963

Distinguish between nested subquery and correlated subquery?

1047

Define identity and uniqueidentifier property of column?

1068

How much space does sql server 2016 take?

982

What are transactions in sql?

1066

What is heap table?

1032

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