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 do I create a postgresql table using pgadmin?

849

What is postgres vacuum?

814

What is postgres default password?

796

How to write pl sql in postgresql?

916

What is instance in postgresql?

929

Can we have multiple index on a table?

923

Do indexes speed up queries?

939

Do foreign keys speed up queries?

838

How to execute postgres function in pgadmin?

1071

How to call postgresql function in asp net?

940

What is shared_buffers postgresql?

909

Where is pg_hba conf?

799

What is greenplum db?

803

What is pg pool?

863

What happens to index when table is dropped?

834

Un-Answered Questions { Databases }

What is key.next.item trigger?

Is mongodb easy to learn?

what is 'mysqladmin' in mysql? : Sql dba

1041

Explain commit, rollback and savepoint.

1011

Explain boyce and codd normal form(bcnf)?

974

What does create schema do?

815

Explain about recursive stored procedures?

818

Why is sql*loader direct path so fast?

1116

how to clone 9i Database on to 10g Database.

2353

Is it possible to automate the ms access database through menu driven selections? If yes, how?

854

Why we use joins in sql?

993

What is data profiling in sql?

1093

Explain the use of tables option in exp command.

1133

Where would you look to find out if a redo log was corrupted assuming you are using oracle mirrored redo logs?

536

What are the purposes of using enum and set data types?

950

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