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IBM DB Administration Interview Questions
Questions Answers Views Company eMail

As a part of your job, what are the DBCC commands that you commonly use for database maintenance?

1 1953

Where would you look for errors from the database engine?

1755

7. Where should you place Archive logfiles, in the same disk where DB is or another disk? 8. Can you take online backup of a Control file if yes, how? 9. What is a Logical Backup? 10. Should you take the backup of Logfiles if the database is running in ARCHIVELOG mode? 11. Why do you take tablespaces in Backup mode? 12. What is the advantage of RMAN utility? 13. How RMAN improves backup time? 14. Can you take Offline backups using RMAN? 15. How do you see information about backups in RMAN? 21. Where RMAN keeps information of backups if you are using RMAN without Catalog? 22. You have taken a manual backup of a datafile using o/s. How RMAN will know about it? 23. You want to retain only last 3 backups of datafiles. How do you go for it in RMAN? 24. Which is more efficient Incremental Backups using RMAN or Incremental Export? 25. Can you start and shutdown DB using RMAN? 26. How do you recover from the loss of datafile if the DB is running in NOARCHIVELOG mode? 27. You loss one datafile and it does not contain important objects. The important objects are there in other datafiles which are intact. How do you proceed in this situation? 28. You lost some datafiles and you don't have any full backup and the database was running in NOARCHIVELOG mode. What you can do now? 29. How do you recover from the loss of datafile if the DB is running in ARCHIVELOG mode? 30. You loss one datafile and DB is running in ARCHIVELOG mode. You have full database backup of 1 week old and partial backup of this datafile which is just 1 day old. From which backup should you restore this file? 31. You loss controlfile how do you recover from this? 32. The current logfile gets damaged. What you can do now? 33. What is a Complete Recovery? 34. What is Cancel Based, Time based and Change Based Recovery? 35. Some user has accidentally dropped one table and you realize this after two days. Can you recover this table if the DB is running in ARCHIVELOG mode? 36. Do you have to restore Datafiles manually from backups if you are doing recovery using RMAN? 37. A database is running in ARCHIVELOG mode since last one month. A datafile is added to the database last week. Many objects are created in this datafile. After one week this datafile gets damaged before you can take any backup. Now can you recover this datafile when you don't have any backups? 38. How do you recover from the loss of a controlfile if you have backup of controlfile? 39. Only some blocks are damaged in a datafile. Can you just recover these blocks if you are using RMAN? 40. Some datafiles were there on a secondary disk and that disk has become damaged and it will take some days to get a new disk. How will you recover from this situation? 41. Have you faced any emergency situation. Tell us how you resolved it? 42. At one time you lost parameter file accidentally and you don't have any backup. How you will recreate a new parameter file with the parameters set to previous values. 16. What is a Recovery Catalog? 17. Should you place Recovery Catalog in the Same DB? 18. Can you use RMAN without Recovery catalog? 19. Can you take Image Backups using RMAN? 20. Can you use Backupsets created by RMAN with any other utility?

1 10713

How do you find out from the RMAN catalog if a particular archive log has been backed-up?

2 8217

What are the ways tablespaces can be managed and how do they differ?

2 4131





hi, suppose i created one table after few days i did some insert,update how can i know when will i did ddl or dml operation is undergone on that table

3 3705

i have 10gp file.now i need store in database..but database have only 7gb memory only..how do u store the file ?

983

what is the differnce between process and thread ?

1 2796

what is meant by gateway

1 2027

how will you see when the database was started using sql prompt?

2 3436

what is rebuild index??

2 3291

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Un-Answered Questions

Why and what cause of leak fuel oil in high pressure pipe of main engine?

752


How do you check if “m” is a matrix data object in R?

1


What is the general principle of an ensemble method and what is bagging and boosting in ensemble method?

2


How do you rate yourself between 1-10 in SDK and C++?

5


how barcode print on the win form

1414






List out the tables in basic oracle apllication modules?

2500


How to Generate client stubs and server servants?

490


We are preparing another project which involves Waste heat recovery from a 1 MW GE Engine. The Engine in particular gives out flue gas at 487Deg C with a flow rate of 5650 kg/hour and this can be cooled to 180 Deg C. This gives a thermal output of ~ 594 KW that is available for input to VAM via heat exchanger / boiler. Additionally 581 KW will be available from engine jacket water (temperature profile 80/ 80 Deg C and a flow rate of 50m3/hr) Our estimation is that 300 TR of cooling is possible with a suitable VAM machine(s). Please advise what is the most suitable arrangement with maximum TR and min Capital expenditure. plz reply me as early as possible

792


What is the program structure of WMLScript?

625


hi my name is amit i have passed BE(CSE) with honours(72%) in 2006 yr. i have completed SAP/ABAP training with good exposer. i need a staffing company which can provide me real time exposer in SAP R/3. so plz help me out and send any information regarding on my mail id or tele. no. 9999784331 thanks

868


Will 50,000 records be uploaded directly into APP's Server?  

1182


What are the Problems associated with P1 transduction?

1182


will there be any problem by recovering slip from single phase induction motors?

762


explain step by step role design process in sap security

446


What are the elements required to display oscillatory motion?

4






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