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

When Does DBWR write to the database?

6 22415

What is SGA?

3 6327

What is PGA?

5 8008

When does LGWR write to the database?

3 10470

What is a Parallel Server option in ORACLE?

1 4001

What is User Process?

1 4270

What does LGWR do?

2 5438

What is the function of Dispatcher (Dnnn)?

4 13617

What is the maximum number of Lock Processes used?

1 4074

What are functions of PMON?

5 14153

What is the function of Lock (LCKn) Process?

1 6901

What are the two types of Server Configurations?

3 5863

What is Shared Pool?

3 5907

What are the components of SGA?

5 6303

What is hit ratio ?

Indiabulls, RGPV,

13 129600

Un-Answered Questions { Databases }

how to do transactions/locking in mongodb?

What do you understand by replication in sql server?

995

What will be the maximum size of an extent of a segment if the tablepac's default storage values are specified as (initial 8K next 16k minextent 4 pctincrease 100).Explain.

1848

What is DML (Data Manipulation Language)?

822

Is oracle the best database?

914

Is postgresql a server?

995

What is an Oracle Data Segment?

990

What is schema in postgresql?

796

What is sql architecture?

982

What are the purpose of Normalisation?

999

What is the difference between BPA AND Contract What are documents and test cases u followed

2327

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

1920

What is Undo Management Advisor in Oracle?

1040

What is SQL Server?

1148

What is second normal form?

871

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