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 do you mean by COLLATION?

ABC, BirlaSoft,

4 14467

What is a Join in SQL Server?

3 6450

Can you explain the types of Joins that we can have with Sql Server?

2 6654

When do you use SQL Profiler?

Wipro,

3 9730

What is a Linked Server?

1 6156

Can you link only other SQL Servers or any database servers such as Oracle?

1 5135

Which stored procedure will you be running to add a linked server?

1 5314

What are the OS services that the SQL Server installation adds?

3 10086

Can you explain the role of each service?

1 4457

How do you troubleshoot SQL Server if its running very slow?

HP,

2 12407

Lets say due to N/W or Security issues client is not able to connect to server or vice versa. How do you troubleshoot?

1 5238

What are the authentication modes in SQL Server?

IBM, iSmart,

4 9721

Where do you think the users names and passwords will be stored in sql server?

BirlaSoft,

4 10735

What is log shipping? Can we do logshipping with SQL Server 7.0 - Logshipping is a new feature of SQL Server 2000. We should have two SQL Server - Enterprise Editions. From Enterprise Manager we can configure the logshipping. In logshipping the transactional log file from one server is automatically updated into the backup database on the other server. If one server fails, the other server will have the same db and we can use this as the DR (disaster recovery) plan.

2813

Let us say the SQL Server crashed and you are rebuilding the databases including the master database what procedure to you follow?

2 7023

Un-Answered Questions { Databases }

What is varchar in postgresql?

918

What are the different sql commands?

1137

Name the buffer in which all the commands that are typed in are stored

858

How is a developer added to a trusted publishers list?

890

What is the use of & in pl sql?

1102

Tell me about normalization in DBMS.

1064

How to set a transaction to be read only in oracle?

1146

what are the advantages of sql ? : Sql dba

1118

How do I free up space in mysql?

967

What is a cache in ssrs?

140

Is it possible to insert comments into sql statements return in the data model editor ?

2638

What are the new scripting capabilities of ssms? : sql server management studio

1125

what is the use of anchoring object? what r the difference between anchoring object & enclosing object? can any one tell me all the details?

2554

Explain about post-relational databases?

1081

How to assign values to data fields in record variables?

1085

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