As a part of your job, what are the DBCC commands that you commonly use for database maintenance?1 2025
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 10856
How do you find out from the RMAN catalog if a particular archive log has been backed-up?2 8300
What are the ways tablespaces can be managed and how do they differ?2 4240
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 table3 3805
i have 10gp file.now i need store in database..but database have only 7gb memory only..how do u store the file ?1020
what is the differnce between process and thread ?1 2851
what is meant by gateway1 2076
how will you see when the database was started using sql prompt?2 3511
what is rebuild index??2 3377
Whether construction of office cum storage comes under CMA under Agriculture or Non Farm Sector
y do v use single anteena in radar any other reason except cost???
Discuss the differences between library vs list?
What is the use of splunk alert?
Difference between new operator and class.forname().newinstance()?
What is signal flow graph?
Exaplain various risks associated with the new projects??
What is server control
How you can use file based sessions?
what is service tax? how its count? and why its count?
Define iterator protocol?
Do you have any supervisory skills?
Why derating factor os applied on Cables?
Which constant is used for print and display functions and works as same as pressing enter key?
differences between qtp10.0 and 11.0 ?