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

How do I use os authentication with weblogic jdriver for oracle and connection pools?

1095

How do I limit the number of oracle database connections generated by weblogic server?

1116

Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?

1128

How do I use unicode codesets with the weblogic jdriver for oracle driver?

1124

Why does for update in oracle 8 cause an ora-01002 error?

1047

How to pipe multiline string to isql?

1050

What is the current version of postgresql?

1128

What can sql server reporting services do?

1164

How does postgresql compare to mysql?

1080

How does postgresql compare to "nosql"?

1086

How to pronounce postgresql?

1097

What company owns postgresql?

1090

Is there a way to automate sql execution from the command-line, batch job or shell script?

1016

Explain select statements in sql?

1107

Explain architecture of sql server notification services?

1109

Un-Answered Questions { Databases }

What is the difference between local and global temporary tables?

1196

How to start, stop and restart postgresql database?

960

What is called dbms?

1144

Write a SQL command to insert and update only a particular field?

1191

What do you understand by unique key?

1024

Compare mongodb and cassandra?

Which dba certification is best?

601

Explain differences between web edition and business edition?

119

Can you explain fourth normal form and fifth normal form ?

873

What are triggers? How many triggers you can have on a table? How to invoke a trigger on demand?

1243

What kind of join is join?

1009

What is the purpose of primary key?

1071

Explain about the relational database?

1130

Is mongodb free for commercial?

Explain what is lock escalation and what is its purpose?

983

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