Forum Replies Created

Viewing 15 posts - 1,621 through 1,635 (of 3,060 total)

  • RE: Openquery hanging, is it Oracle or SQL Server's fault?

    tomiboy59 (8/13/2010)


    So what is happening, that after a while openquery2 will never finish. I am thinking that the table may be getting locked out somehow, but not sure how to...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: Create schemas for views, stupid idea?

    Henk de W (8/12/2010)


    Currently trying to implement security on my database...

    ... just for the views to grant select, update, delete and insert to my views in one go

    My question would...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: Data Warehouse Design Questions

    Paul8112 (8/12/2010)


    Hello,

    I'm having my first go at designing a data warehouse. I have an OLTP database that is used for an online booking system. We have a requirement for a...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: New Identical Table or New Column

    I undestand structure will be the same but data will not be the same meaning, the two modules are not going to share any data. Is that correct?

    In the affirmative...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    Tom.Thomson (8/11/2010)


    PaulB-TheOneAndOnly (8/10/2010)


    I know you proposed to create an actual-pickup-date and an actual-return-date tables to hold that information but that would end with tables having a 1-to-1 relationship with Reservations...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: Surogate Keys are not always the answer but are freqently used

    Welsh Corgi (3/22/2010)


    It many cases it is appropriate to use a surrogate key when you do not have a candidate key or the key would induce performance problems etc.

    Being one...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    mtillman-921105 (8/10/2010)


    PaulB-TheOneAndOnly (8/10/2010)


    mtillman-921105 (8/10/2010)


    Maybe a date for when the BP was measured for example (and no date = no test, still no need for a NULL there)

    :blink: I'm getting so...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    mtillman-921105 (8/10/2010)


    Maybe a date for when the BP was measured for example (and no date = no test, still no need for a NULL there)

    :blink: I'm getting so confused... wouldn't...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    mtillman-921105 (8/9/2010)


    You're right PaulB, I shouldn't have implied that zero = NULL in that case.

    But if the machine returns zero and I was the developer, I believe I'd be...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    Good to know we are in agreement 🙂

    Answering question below...

    David Portas (8/9/2010)


    In your example, why store nulls when the machine doesn't have a value to record? What purpose is served...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: Extract data from Oracle DB to SQL 2005 DB

    bzabel (8/9/2010)


    I need to write an SQL procedure that can access data in an Oracle DB and insert it into an already exisiting SQL 2005 table. I have never had...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    duplicate post - deleted

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: "Real" copy of Codd's 12 (13) Rules for RDBMS

    mtillman-921105 (8/9/2010)


    I just wanted to say "thank you" for this fascinating, even if to some extent, academic discussion on NULLs.

    From a practical point of view, I think that they're more...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: Multiple DBs or Tables in one DB ?

    huslayer (8/9/2010)


    Just a question that came to my mind...and I need to discuss it...

    If I have multiple processes and reports going on, not related in any way...

    shall I run them...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.
  • RE: Modeling occasional entity grouping

    robert.levy (8/9/2010)


    Absolutely right, this is the setup I currently have. But:

    for the 90% of Bs which only have one A:

    I want to present the user with the friendly name...

    _____________________________________
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at Amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.

Viewing 15 posts - 1,621 through 1,635 (of 3,060 total)