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

In MS Access the long and short date option does not show 4 digit years. how do I achieve the mm/dd/yyyy format?

1 941

What format should my database be saved in to allow different versions of Microsoft Access to open the database?

1 976

State the criteria which a trusted publisher should meet before adding him?

1 931

how do you add a developer to a trusted publishers list?

1 912

Explain about relationships and look up fields?

1 1042

How do you create an append query?

1 1016

What is the maximum size of a database that can be opened in Microsoft Access?

1 951

What happens if the both source and destination are named the same?

1 940

Would you like to easily automate your MS Access database through menu driven selections?

1 912

I am designing an Access database form. how can I get my next control in the form to be automatically selected?

1 897

State some criteria and their effects of a database?

1 981

Explain about creating a report tool by using the report tool and report wizard?

1 1089

What are the other commands to know the structure of a table using mysql commands except explain command?

1 1114

How many ways we can retrieve the date in result set of mysql using php?

1 1192

How to create a table?

1 1069

Un-Answered Questions { Databases }

What is acid mean in sql server?

1232

If any stored procedure is encrypted, then can we see its definition in activity monitor?

1062

Does view occupy space?

1005

What is the latest version of postgresql?

949

List the ways in which dynamic sql can be executed?

1079

What is standby servers? Explain types of standby servers.

1069

Is there some bulk load or other way to import a lot of data fast?

929

What are the advantages of database?

1009

1. Tell me about your self? 2. Latest Project Introduction? 3. Difference between server jobs and parallel jobs? 4. Seq-Seq Explain its behavior and execution mode and which parallelism technique is used? 5. What is padding characters? 6. Seq-Seq, Seq-Copy-Seq which one is the best and efficient? 7. How many reject links do we have to a transformer? 8. How many reject links to join stage? 9. Difference between join and lookup? 10. How to design PX routine? 11. How can we call job in another job? 12. Difference between batch and sequencer? 13. Which Database is used? 14. What is change capture? Give briefing of that? 15. What is change Code? Explain? 16. How you call UNIX in Ds? 17. How do you call JCL in UNIX? 18. How do you pass the job status of one job to another job? Have designed any job sequencer? 19. How do you find a file in existed directory? 20. How can you call parallel jobs in transformer? 21. Execution of jobs in command line? 22. Tuning of sql queries? 23. What is orchestrating metadata? 24. What are junk dimension? 25. What are the third party tools you are used? 26. What are the system variables you have used? IBM 1. What is virtual dataset? 2. How do you handle reject link to a peek stage? 3. What is transaction table? 4. Which one is the efficient from the following? a. ODBC enterprise b. Oracle enterprise 5. How can you extract data from excel sheet? Do you know how to parameterize, this option? 6. Six pages of complex query I have, how do you simplify this query? 7. Difference between dataset and lookup file set?

1976

What are the pros and cons of putting a scalar function in a queries select list or in the where clause?

1287

Please send me Informatica 8.1 certification dumps, my mail id mona85gupta@gmail.com

1945

How do I find the sql server version?

1099

Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?

1021

How do I remove duplicates in two columns?

1177

Suppose database is running slow, what will you do?

2590

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