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Databases Interview Questions
Questions Answers Views Company eMail

What are the four objectives of the selection of a data type?

1 965

What do you mean by entity type extension?

1 1137

What are stored-procedures? And what are the advantages of using them.

1 1058

Briefly describe the three types of sql commands.

1 1076

Explain snapshot replication.

1 1028

What is artificial key?

1 949

why an information gap exists in most organizations.

1 1082

Describe and contrast sql and qbe.

1 995

What is alternate key?

1 1021

What are some of the important security features of a dbms?

1 938

Describe a subquery.

1 1113

What is the difference between horizontal and vertical partitioning?

1 1050

What is oracle block?

1 938

Describe the differences between vertical and horizontal portioning.

1 1102

Compare a hierarchical and network database model?

1 1055


Un-Answered Questions { Databases }

How to put more than 1000 values into an oracle in clause?

1098


Do we need to rebuild index after truncate?

1117


what is bcp? When does it used? : Sql dba

1043


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

1055


what is the age limit for groups1 examination

2329


1. What is Container? 2. Tell me about your project? 3. Which container you are used in your project? 4. What is Surrogate key? 5. How you are implemented it? 6. Difference between Server job and Parallel job? 7. What is your Target Database? 8. What is Source System? 9. Difference between Join and Lookup? 10. Are you maintaining historical data? What is the logic used to maintained to historical data? 11. Do you have documents for mapping?

1841


Explain “row_number()” in sql server with an example?

1062


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

2084


what is sql server agent? : Sql dba

1162


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?

1970


what ASIS BUSINESS PROCESS IN ORACLE FINANCE

2339


What are the different SQL Server Versions you have worked on?

1071


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

923


How do I create a trace in sql server?

1104


Who proposed the relational model?

1025