Forum Replies Created

Viewing 15 posts - 6,121 through 6,135 (of 49,552 total)

  • RE: Partitioning, readonly and DBCC CHECKDB

    andrew gothard (4/20/2015)


    It's worth considering. We are going to have a standby on our other site for HA, but we'd need to talk to our licencing bod to see...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: *Help - Offsite mirroring/logshipping/replication to ONLINE db???

    You're probably looking for transactional replication here.

    Log shipping and mirroring are HA/DR technologies, hot standby databases for when/if the primary fails.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Log file Rotation Script

    Error logs have their own built-in retention, transaction logs you don't delete at all. Specifically what logs are you talking about?

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Dropping a FK "online"

    Altering a table (including dropping an FK) requires a schema modification lock. Schema mod locks are not compatible with any other locks at all, and hence you need a short...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Minimize migration downtime on large DB

    yb751 (4/20/2015)


    I'm thinking my best bet to minimize any downtime would be to Restore the DB (NORECOVERY) on the new server and keep rolling it forward with the transactional...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Is temporary table creation and dropping logged anywhere in SQL SERVER?

    Jeff Moden (4/20/2015)


    GilaMonster (4/20/2015)


    The default trace does log temp table creates and drops.

    Awesome!

    Not usually. 🙂

    It's one reason why the default trace sometimes covers such a short time period. Personally...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Page contention - what's the page?

    TheSQLGuru (4/20/2015)


    In addition to what Gail offered, there are a number of options for DBCC PAGE, and I think you can get a more detailed set of output that could...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Page contention - what's the page?

    It's an allocation page, it doesn't belong to a specific object. In this case, it's a GAM page (Global allocation map) which tracks which extents are allocated and which are...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Partitioning, readonly and DBCC CHECKDB

    andrew gothard (4/20/2015)


    Not that I've ever tried it, but I'd expect snapshotting an active 2Tb database could take a real bite out of my maintenance window.

    Shouldn't do. If there...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Index Maint Issue

    SQL's not going to struggle to rebuild indexes with GUIDs in them, uniqueidentifiers are no harder to work with than strings, and probably are easier. The problem is that GUIDs...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Two questions about InMemory OLTP

    suvorav (4/20/2015)


    1. How to estimate how many free RAM I need.

    https://msdn.microsoft.com/en-us/library/dn282389.aspx

    2. How to prevent memory overflow if there will be too much data in those tables?

    SQL won't allow...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: How a new partition Function apply for Current Data

    MotivateMan1394 (4/19/2015)


    --------

    I was thinking about it and Found that in any Steps of my partitioning I didnt use this table name????

    1- Create New FG

    2- Create New Files And related them...

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Find Slowness queries

    https://www.simple-talk.com/sql/performance/finding-the-causes-of-poor-performance-in-sql-server,-part-1/

    https://www.simple-talk.com/sql/performance/finding-the-causes-of-poor-performance-in-sql-server,-part-2/

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: sp_help_revlogin creates logins but not roles for logins, etc

    https://support.microsoft.com/en-us/kb/246133

    sp_help_revlogin moves logins and passwords, that's it. A later option in that kb article does roles as well.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass
  • RE: Backup Failed in SQL 2014

    Call Microsoft Customer Support. Number should be somewhere on Microsoft's web site.

    Gail Shaw
    Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
    SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

    We walk in the dark places no others will enter
    We stand on the bridge and no one may pass

Viewing 15 posts - 6,121 through 6,135 (of 49,552 total)