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 create a postgresql table using pgadmin?

1 896

What is postgres vacuum?

1 866

What is postgres default password?

1 850

How to write pl sql in postgresql?

1 984

What is instance in postgresql?

1 986

Can we have multiple index on a table?

1 975

Do indexes speed up queries?

1 1016

Do foreign keys speed up queries?

1 876

How to execute postgres function in pgadmin?

1 1136

How to call postgresql function in asp net?

1 998

What is shared_buffers postgresql?

1 958

Where is pg_hba conf?

1 854

What is greenplum db?

1 857

What is pg pool?

1 905

What happens to index when table is dropped?

1 888

Un-Answered Questions { Databases }

how many tables will create when we create table, what are they? : Sql dba

1136

How did mongodb get its name?

Can one drop a column from a table?

1081

explain different types of backups avaialabe in sql server? Given a particular scenario, how would you go about choosing a backup plan? : Sql server database administration

1122

in oracle BPM composer in part BA model on design model in enterprise model i cannot connection with value chain model work not links in part properties do you can me help me?

1597

How to enter binary string literals in ms sql server?

1235

How do I remove duplicates in two columns?

1175

Hi am new to PLSQL & facing problems in writing code like in SP, Functions, so any one having some SP coding with in depth explanation please share with me my Email ID suvarnaatsuvarna@rediffmail.com Or taking tanning on this please do contact me

2088

What are the different subsets of sql?

1642

what is the difference between openrowset and openquery?

1186

How to start an oracle instance?

1094

How can we solve concurrency problems?

1116

what is collation? : Sql dba

1222

in user parameter property we have list of values.can we write select query for binding? for example:: select empno from emp where deptno=:deptnum :deptnum is first parameter it displays distinct dept nos. if i do like this it is giving error:: bind variables are not allowed in the select statement

2207

Is microsoft getting rid of access?

881

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