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

What is one tier architecture?

823

What is parallel database architecture?

886

What are the three tiers in a 3 tier architecture?

828

What is app tier?

908

What is a two tier wage system?

865

What do data architects do?

855

What is 2 tier 3 tier architecture?

899

What is a business logic layer?

846

Which is super key?

848

What are the three levels of database architecture?

787

What is the meaning of 3 tier?

857

What is tier in database?

840

What are the levels of architecture?

872

What is the difference between layer and tier?

937

What is difference between two tier and three tier?

900

Un-Answered Questions { Databases }

Which is better sqlite or mysql?

1121

Can you load data into multiple tables at once? : aql loader

1120

what Neo4j CQL command is used for?

What is this tds protocol in sybase?

1012

What is flag in sql?

1099

what is the command used to fetch first 5 characters of the string? : Sql dba

1685

Can we perform dml in function?

1135

How would you pass hints to the sql processor?

1041

What is Fragmentation and Defragmentation? For 32GB Table,How can we do the fragmentation?

4463

Can we save images in mysql database?

960

How to convert a date to char in oracle? Give one example.

1109

Where is mongodb located?

How many tables can be joined in SQL Server?

1115

What is simple indexing method?

1084

Where do you find the default index fill factor and how to change it? : sql server DBA

1124

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