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Posted Tuesday, October 16, 2012 3:04 AM
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Any method to perform Database Mirroring? without impacting perfromance??







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Post #1373084
Posted Tuesday, October 16, 2012 3:40 AM
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Q1)-SQL server wait until a lock release before giving another connection access to the same data, By default how long will sql server wait for the first connection to release the lock.
Ans: D)- Unlimited
Q2) - You want to implement the lowest level of granular locking. Which one of the following is most appropriate?
Ans: D)-Key

Q3)-You have implemented a pull subscription in your replication strategy. Which server should run the Distribution Agent?
A)- Subscriber B)- Distributor C)-Publisher D)- All
No Idea

Q4)-Which of the following installation types will enable you to avoid installing the Development Tools and support for Full Text searching.
Ans: C)-Custom

Q5)-You have decided to implement page level locking. How much data is actually locked by SQL Server when using this mode?
A)-64K B)-8K C)-16K D)-32K
No Idea
Post #1373097
Posted Tuesday, October 16, 2012 4:02 AM
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hey did you change the question? what happended?????
Post #1373101
Posted Tuesday, October 16, 2012 4:19 AM


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Database mirroring doesn't impact performance (implemented correctly).
As for whatever questions were deleted, those look like homework or test questions. How about trying them yourself, you don't learn anything if you're just given the answers.



Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
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Post #1373112
Posted Tuesday, October 16, 2012 11:30 PM
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GilaMonster (10/16/2012)
Database mirroring doesn't impact performance (implemented correctly).
As for whatever questions were deleted, those look like homework or test questions. How about trying them yourself, you don't learn anything if you're just given the answers.


Yes, Thanks Gila








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Post #1373628
Posted Tuesday, October 16, 2012 11:32 PM
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vivekkumar341 (10/16/2012)
hey did you change the question? what happended?????


Hey Thanks Vivek, Even i know the answers.. but wanted to verify...
Anyways for the question

1) You want to implement the lowest level of granular locking. Which one of the following is most appropriate?

My Answer - In order to avoid a Lock the table should have appropriate indexes on it which gives good performance for Single user, where as Records lock for Multiple users.

How do you say KEY?? can u explain about it








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Post #1373630
Posted Wednesday, October 17, 2012 12:59 AM


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You can't avoid locks, by indexing or otherwise. SQL will always take necessary locks, whether there's one connection using the table or 20.

Chapter 6: http://www.simple-talk.com/books/sql-books/troubleshooting-sql-server-a-guide-for-the-accidental-dba/



Gail Shaw
Microsoft Certified Master: SQL Server 2008, MVP
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Post #1373650
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