Interview Questions -BackUp

  • Hi Experts,

    Can someone give me the list of interview questions for DATABASE BACKUP ?

    Inputs are highly appreciable.

    karthik

  • 1) Explain different types of BACKUPs avaialabe in SQL Server?

    2) Given a particular scenario, how would you go about choosing a backup plan?

  • How would you go about verifying that your backup/restore plan a.) works and b.) meets restore time and data loss SLA's?

  • The question that I always ask is:

    Given that we take a full backup once a week and diff backups every day and transaction log backups every 15 mins and say we have a problem at 11 am on a wednesday what is restore sequence need to restore the database to say 10:59 am.

    CodeMinkey

  • Where can backup files be saved? What native tools does SQL Server provide for creating backups? How would you access those tools? How would you retrieve the backups if needed?

    You might also want to consult with BOL. There are a couple of new features on backups (like CheckSum) that you might consider as good interview questions. And you might consider making someone sit down and script out a backup device or backup task.

    Brandie Tarvin, MCITP Database AdministratorLiveJournal Blog: http://brandietarvin.livejournal.com/[/url]On LinkedIn!, Google+, and Twitter.Freelance Writer: ShadowrunLatchkeys: Nevermore, Latchkeys: The Bootleg War, and Latchkeys: Roscoes in the Night are now available on Nook and Kindle.

  • How do you plan a database backup?

    This is an open question. Depends on how much s/he knows and how much considerations from both database and business perspectives.

  • Explain how a differential backup works. I had that one in my last interview.



    Scott Duncan

    MARCUS. Why dost thou laugh? It fits not with this hour.
    TITUS. Why, I have not another tear to shed;
    --Titus Andronicus, William Shakespeare


  • What are the problems with a striped backup? How do problems occur in Management Studio/EM with striped backups?

    In 2005, how can I make a copy of a backup automatically in a 2nd location.

  • How do you backup without affecting the maintenance plan?

  • Can you backup while the database is online? If so, how?

    Believe it or not, people actually ask that question (though I've never heard it in an interview).

    Brandie Tarvin, MCITP Database AdministratorLiveJournal Blog: http://brandietarvin.livejournal.com/[/url]On LinkedIn!, Google+, and Twitter.Freelance Writer: ShadowrunLatchkeys: Nevermore, Latchkeys: The Bootleg War, and Latchkeys: Roscoes in the Night are now available on Nook and Kindle.

  • [font="Verdana"]Is it possible to take a differential backup when a database is in simple recovery?[/font]

  • Funny you should ask that... Just Tuesday, we had an article in the newsletter about that question.

    See the below link:

    http://www.sqlservercentral.com/articles/Administration/61591/

    Brandie Tarvin, MCITP Database AdministratorLiveJournal Blog: http://brandietarvin.livejournal.com/[/url]On LinkedIn!, Google+, and Twitter.Freelance Writer: ShadowrunLatchkeys: Nevermore, Latchkeys: The Bootleg War, and Latchkeys: Roscoes in the Night are now available on Nook and Kindle.

  • Differential backup is a backup between 1 and 2 full backup. It means whatever changes you have made on the DB It will update on the Differntial backup. Generally will plann in the corporate sector full DB backup should be once in a week and every day differntial backup and as per the business criticality you can choose the Tlog backup schedule.

    Thanks,

    Manojs

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