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 the usage of regular expressions in mysql?

908

Which command is used to view the content of the table in mysql?

937

How many columns can you create for an index?

966

What does "i_am_a_dummy flag" do in mysql?

975

What is the usage of "i-am-a-dummy" flag in mysql?

1155

What is sqlyog?

1042

How many triggers are possible in mysql?

982

Write a query to retrieve a hundred books starting from 20th.

1526

In which language mysql has been written?

1358

What is a trigger in mysql?

1057

What is the difference between database and table?

1013

What is the query to display top 20 rows?

1042

What is save point in mysql?

972

What is the difference between heap table and temporary table?

1124

What are the advantages of myisam over innodb?

997

Un-Answered Questions { Databases }

What is structural independence and why is it important?

1048

how the Oracle Prepares the Execution Plan and how it chooses the Optimal one?

2371

Which neo4j clause used for adding or updating properties to an existing relationship?

What are built in functions?

1044

What happens to the current transaction if the session is killed?

1010

What is the difference function and stored procedure?

1074

How do we use distinct statement? What is its use?

1040

How to find out what version of microsoft access I have?

852

Explain the purpose of %type and %rowtype data types?

947

What is sql collation?

1242

What is mysql root?

975

Why is mongodb?

Why mongodb is known as best nosql database?

What are extended events in sql server?

974

Which version of open client works with which ase in sybase?

942

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