Forum Replies Created

Viewing 15 posts - 2,791 through 2,805 (of 3,060 total)

  • RE: what is the use of Raid ?

    stryk (12/15/2008)Finally, RAID is a way to store data faster and safer than on a single disk.

    Usually you are going to see a trade of in between "faster" and "safer",...

    _____________________________________
    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: what is difference between restore and recovery?

    ksnandhinee (12/15/2008)


    Restore ---> For replacing any particular file in the database, we go for the backup data(which is a stored file). Replacing a file from the stored backup represents as...

    _____________________________________
    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: Primary Key and Unique key

    Ian Yates (1/31/2008)


    Certainly linking your foreign keys to primary keys only helps with understanding and self-documenting of the database. You should at least have a primary key on the...

    _____________________________________
    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: How to audit column of a table in sql server 2005

    Steve Jones - Editor (12/10/2008)


    Do you know how to write a trigger?

    If you do, then an audit trigger just inserts changed data into some table. There are articles here on...

    _____________________________________
    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: Converting to MSSQL 2005 from Oracle 10g (I'M STRUGGLING!!)

    I'd the opportunity of doing it both ways e.g. from Oracle to SQL Server and from SQL Server to Oracle.

    When it comes down to code here is how it works....

    _____________________________________
    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: Detect Sort Order

    In regards to your first question and since you are looking for binary sort order, please follow previous advise and check sort order is in the *_BIN form.

    Answering your second...

    _____________________________________
    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: Problems with CASE in WHERE

    Cool! That makes sense, glad you solved it. Congrats!

    _____________________________________
    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: Problems with CASE in WHERE

    smacena (12/4/2008)


    Hi, I'm trying use this clause in WHERE:

    ...

    WHERE

    CASE :Hist WHEN '2'

    THEN (PERSON.DATE is null or PERSON.DATE is not null)

    ...

    _____________________________________
    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: Poor Performance : Select count(*) takes 30 Mins ? Why ?

    Please do this, get and post execution plan for both "select count(*)..." and "select count(your-pk-column)..."

    _____________________________________
    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: DB Link from Oracle to SQL Server

    Toad is pretty bad managing sessions, it usually leaves connections open.

    My first suggestion would be to test the connection from SQL*Plus.

    If the issue persists try issuing a commit even if...

    _____________________________________
    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: Adding files to a filegroup

    well... that's the expected behavior.

    Are you expecting SQL Server to load balance your objects accross the filesystems?

    It would happen on Oracle+ASM environment but as far as I know SQL Server...

    _____________________________________
    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: Database Partitioning

    Nitin (11/18/2008)


    I did a database partitioning.

    Do you really mean "database partitioning" like in a distributed database environment or are your just referring to partitioning a couple of tables?

    _____________________________________
    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: My application's response time has reduced form nearly 20 sec to around 2 sec after upgrading from SQL Server 2000 to SQL Server 2005.

    Ross McMicken (11/18/2008)


    I don't think you are likely to see improvements of this magnitude by performing database maintenance.

    I have to disagree. Performance in a non properly maintained database keeps deteriorating...

    _____________________________________
    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: My application's response time has reduced form nearly 20 sec to around 2 sec after upgrading from SQL Server 2000 to SQL Server 2005.

    sandeephughes (11/18/2008)


    Could anyone help me how such a big difference in perfomance is seen.

    just to be sure... you did an upgrade in place, didn't you? meaning, neither moved 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: Recommend a good SQL 2005 Book?

    I usually trust books from SAMS like Microsoft SQL Server Unleashed -in this case.

    just my personal choice/opinion.

    _____________________________________
    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 - 2,791 through 2,805 (of 3,060 total)