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

What is a directory object?

1136

How to call a sub procedure?

1147

How to retrieve values from data fields in record variables?

1172

What are the general rules on data consistency?

1062

How to define a procedure inside another procedure?

1067

What to do if the binary spfile is wrong for the default instance?

1108

How to create a server parameter file?

1188

How to rename an existing table?

1217

What are the execution control statements?

1107

How to run create database statement?

1079

What happens if the update subquery returns multiple rows?

1170

How to use "startup" command to start default instance?

1101

What happens if the imported table already exists?

1077

How to create a stored program unit?

1320

How to call a stored function with parameters?

1095

Un-Answered Questions { Databases }

What is an Oracle Rollback Segment?

1164

what are all the common sql function? : Sql dba

1106

What is sql used for?

1165

suppose having unique and duplicate but I want to load unique record one table and duplicates one table?

787

What are indexes? Mention the differences between the clustered and non-clustered index?

1013

What is the Tune Query

2345

What is session variable in mysql?

1023

What are the uses of mongodb?

What is metadata and why should I use it?

979

How to check if a record exists in a mysql database php?

937

what are the advantages of mysql in comparison to oracle? : Sql dba

1048

How to enforce security in sql server? : sql server security

1162

How the stats updated in postgresql?

1017

What are all the different normalizations?

1078

What is n tier architecture in dbms?

991

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