Forum Replies Created

Viewing 15 posts - 4,426 through 4,440 (of 5,841 total)

  • RE: Introduction to Indexes: Part 2 – The clustered index

    John Colby (11/12/2009)


    I routinely work with tables where the entire table is a PK, name and address and five other fields. these are just mailing lists, but HUGE -...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Introduction to Indexes: Part 2 – The clustered index

    You made a very important piece of information public there: GL transactions. In my experience with financial data GL rows are almost never updated/deleted. That means record...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Introduction to Indexes: Part 2 – The clustered index

    You really do need to know your data access patterns in order to be able to answer the question you pose. One big question is how many forwarded records...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: qouestion about Index

    GilaMonster (11/10/2009)


    For that particular query, quick guess would be a composite index on

    DocID, DocDate, docSubject, docNo (in that order)

    Bet that isn't the only query to hit the table(s) though. ...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: What's my bottleneck?

    Business Objects by any chance? I have made a good bit of money from helping others clean up performance messes from that awful system.

    1)

    AND (((COALESCE(StatCTE.clicks ,0) <= 1000.0))...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: index fragmentation

    klineandking (11/9/2009)


    I would like to know the percentage at which you would have to defragment your indexes?

    The percentage at which you have an issue with performance related to index fragmentation??...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Introduction to Indexes: Part 2 – The clustered index

    I am often-times disappointed that I cannot have more than one clustered index. Do you think they will ever put this most useful feature in SQL Server Gail?? ...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Introduction to Indexes: Part 2 – The clustered index

    Jim, first off, welcome to the wonderful world of SQL Server! Also, what is your primary RDBMS - i.e. from whence do you come to us? 🙂

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Index on Encrypted column

    Andrew Gothard-467944 (11/11/2009)


    Paul White (11/10/2009)


    Just for anyone who's really into this: http://blogs.msdn.com/raulga/archive/2006/03/11/549754.aspx

    One might even persist the first few characters of the unencrypted value and index that. It all depends...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Index on Encrypted column

    GilaMonster (11/10/2009)


    TheSQLGuru (11/10/2009)


    1)

    You can index it, but it's completely useless to do so.

    That is incorrect. While you cannot do an index SEEK, a...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Index on Encrypted column

    GilaMonster (11/10/2009)


    TheSQLGuru (11/10/2009)


    1)

    You can index it, but it's completely useless to do so.

    That is incorrect. While you cannot do an index SEEK, a...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: An Un-indexed Foreign Key Gotcha

    The indexed FKs have nothing to do with performance;

    I think that is a bit of a stretch. There is almost always at least some performance benefit (often dramatic), both...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: SQL Server 2008 Enterprise installation failed Window 7 ultimate

    Yeah - "Enterprise Developer Edition" is poorly worded.

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Index on Encrypted column

    1)

    You can index it, but it's completely useless to do so.

    That is incorrect. While you cannot do an index SEEK, a query can...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • RE: Query Slow Performance

    but please may i ask about the tools you used??

    In this particular case I think Chris mentioned that the query plan xml actually contains missing index...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

Viewing 15 posts - 4,426 through 4,440 (of 5,841 total)