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

How to change sql*plus system settings?

1006

What is output spooling in sql*plus?

992

What is oracle sql developer?

1001

How to place comments in pl/sql?

1109

How to install oracle sql developer?

996

What are sql*plus environment variables?

1045

What operating systems are supported by oracle sql developer?

913

What are the parameter modes supported by pl/sql?

1032

How to connect a sql*plus session to an oracle server?

1084

How to run sql statements through the web interface?

993

How to run sql commands in sql*plus?

1105

What is null in pl/sql?

1029

How to look at the current sql*plus system settings?

1094

How to run pl/sql statements in sql*plus?

1033

How many scalar data types are supported in pl/sql?

985

Un-Answered Questions { Databases }

what is normalization? Explain different levels of normalization? : Sql server database administration

1231

What is mscorsvw.exe - process - microsoft .net framework ngen?

907

What is the relationship?

928

How do I do transactions/locking in mongodb?

What is a natural join sql?

925

What is difference mysql and mysqli?

917

How to assign query results to variables?

1015

How to define an oracle cursor variable?

985

What is clustered and nonclustered index in sql?

904

Is sql low level language?

968

What do you understand by ‘atomicity’ and ‘aggregation’?

857

What is pg pool?

783

How to create a large table with random data for index testing in ms sql server?

993

What is a temporal data type?

991

How to move files from one directory to another in pl sql?

1140

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