Answer / m raghava rao

Gate ways is used as main entry point. Or we can say A gateway is a network point that acts as an entrance to another network

How do you add a data file to a tablespace?

3 Answers  

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I have A,B,C servers.i want to 3 servers jobs move to D server(target server)..how? note: i said that take the backup of msdb and restore to the target server..he said while restoring jobs replaced. what is the solution

0 Answers  

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Explain what partitioning is and what its benefit is.

2 Answers  

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What are the different types of database compression introduced in sql server 2008? : sql server DBA

0 Answers  

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what is the use of ocr?

0 Answers   Oracle,

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How would you go about verifying the network name that the local_listener is currently using?

0 Answers  

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

0 Answers   IBM,

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Oracle client is not able to connect to Oracle server although tnsnames.ora file has valid enteries. Oracle error message is “ cannot resolve net service name”. Mention any three reasons.

0 Answers  

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What are the different ways of moving data or databases between servers and databases in SQL Server?

3 Answers  

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What are the different types of indexes available in sql server? : sql server DBA

0 Answers  

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How would you determine what sessions are connected and what resources they are waiting for?

2 Answers  

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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 Answers   IBM,

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