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

Oracle (3253)
SQL Server (4518)
MS Access (429)
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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 oracle table?

1 1072

What is the difference between hot backup and cold backup in oracle? Tell about their benefits also.

1 1062

How do you find current date and time in oracle?

1 1141

What is a snapshot in oracle database?

1 1100

Is there any need to create database command in mongodb?

1 67

Does mongodb database have tables for storing records?

1 76

What is primary and secondary replica set in mongodb?

1 67

What do you understand by nosql databases?

1 63

Is it possible to remove old files in the movechunk directory?

1 66

Do the mongodb databases have schema?

1 85

Is mongodb better than other sql databases? If yes then how?

1 77

How to configure the cache size for wiredtiger in mongodb?

1 80

How to do transaction/locking in mongodb?

1 63

What type of dbms is mongodb?

1 78

Which are the different languages supported by mongodb?

1 86

Un-Answered Questions { Databases }

what ASIS BUSINESS PROCESS IN ORACLE FINANCE

2354

Do we need to rebuild index after truncate?

1132

what is spatial nonclustered index

1055

i have all the Oracle Certification material from 1z0-001 to 1Z0-643, if required just drop me a mail to: summi4you@yahoo.co.in

1856

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?

1043

Which statement is used in a select query for partial matching?

1240

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

1180

Can we rollback truncate?

1072

What is the current version of postgresql?

1174

What is sql or structured query language?

1220

How to use values from other tables in update statements using oracle?

1153

Plz send me Oracle Pl/Sql [1z0-147] dumps to this mail? sivakumarr1987@gmail.com

1897

what is the last version,the release date of that version and fix pack of ibm db2 udb?

2050

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

1108

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

1063

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