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 the difference between a primary key and a unique key? : Sql server database administration

1047

what are isolation levels? : Sql server database administration

1062

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

1420

what is the difference in login security modes between v6.5 and 7.0? : Sql server database administration

1175

what is a schema in sql server 2005? Explain how to create a new schema in a database? : Sql server database administration

1117

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

978

what are user defined datatypes and when you should go for them? : Sql server database administration

1067

what are constraints? : Sql server database administration

1136

what is the difference between delete table and truncate table commands? : Sql server database administration

1081

what is the information that can be stored inside a bit column? : Sql server database administration

1012

how to avoid cursors? : Sql server database administration

1016

what is the maximum size of a row? : Sql server database administration

1084

what are the disadvantages of cursors? : Sql server database administration

1091

what is a transaction? : Sql server database administration

1054

what are candidate key, alternate key and composite key? : Sql server database administration

969

Un-Answered Questions { Databases }

What is the sid in oracle?

1036

How much does sqlite cost?

1094

What are the disadvantages of views in a database?

1114

How do you store pictures in a database?

1062

Does google have a database like access?

1024

What are the drawback of rdbms?

999

What are the benefits of normalization?

1162

How to rename a column in an existing table?

1089

How to validate email addresses in mysql?

1181

Her departmandaki isçilerden empno' su ikinci sirada olan isçilerin empno, deptno, hiredate, sira_no bigilerini döndüren sorguyu yaziniz?

2048

what is the difference between a primary key and a unique key? : Sql server database administration

1047

What is the sequence of firing in report trigger?

Explain acid?

1146

Does sql profiler affect performance?

1048

How do you backup a database in mysql?

1129

For More Un-Answered { Databases } Questions Click Here