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

What is an alias command?

1076

What is update_statistics command?

1080

What is the command used to get the version of sql server?

1 1543

What is isnull() operator?

1062

What is coalesce in sql server?

1069

What is the use of set nocount on/off statement?

1112

What are the differences between stored procedure and the dynamic sql?

1110

How to delete duplicate rows in sql server?

1120

What will be the maximum number of index per table?

1018

What is the use of =,==,=== operators?

1034

How data can be copied from one table to another table?

966

How can we get count of the number of records in a table?

968

What is the purpose of floor function?

1054

What is tablesample?

1131

What are the differences between local and global temporary tables?

1103

Un-Answered Questions { Databases }

1)After defining value set we define list of values, I need to enter 1000 values with out entering manually, how will you do that? 2)what are the parameters we use in a concurrent program? 3)what is payroll processing? 4)In organization window after defining an organization and organization classification how to create a new item in the others button? 5)If there are 10 users, How to restrict the selected users not to access the forms?

2205

How can you export data in excel format?

918

what is meant by magic query

2202

Why olap is used?

989

How to shutdown your 10g xe server from command line?

1109

What is postgres xc?

816

What is a storage engine in mongodb?

What is record in a database?

880

Define sub-query.

1045

what is update statistics in sybase?

1178

What is trace flag in sql server?

1042

What is bcnf normalization form?

1135

Is postgresql better than sql server?

942

What is RDBMS KERNEL?

1097

What is unsigned in mysql?

946

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