Forum Replies Created

Viewing 11 posts - 1 through 11 (of 11 total)

  • RE: Data Warehouse best practices

    Evil Kraig F (9/8/2011)


    When is the process being run? Which one has more memory available? Are you transforming in the package or after drop to staging tables? ...

  • RE: Incremental load - using timestamp reliable?

    PaulB-TheOneAndOnly (8/23/2011)


    Shurkadze (8/22/2011)


    PaulB-TheOneAndOnly (8/22/2011)


    Shurkadze (8/22/2011)


    PaulB-TheOneAndOnly (8/22/2011)


    Shurkadze (8/22/2011)


    The DW contains small subset of columns of OLTP. Relying on timestamp may not be meaningful since only a small subset of columns changed...

  • RE: Incremental load - using timestamp reliable?

    PaulB-TheOneAndOnly (8/22/2011)


    Shurkadze (8/22/2011)


    PaulB-TheOneAndOnly (8/22/2011)


    Shurkadze (8/22/2011)


    The DW contains small subset of columns of OLTP. Relying on timestamp may not be meaningful since only a small subset of columns changed should trigger...

  • RE: Incremental load - using timestamp reliable?

    PaulB-TheOneAndOnly (8/22/2011)


    Shurkadze (8/22/2011)


    The DW contains small subset of columns of OLTP. Relying on timestamp may not be meaningful since only a small subset of columns changed should trigger load into...

  • RE: Incremental load - using timestamp reliable?

    Lowell (8/22/2011)


    Shurkadze (8/22/2011)


    What if you have a row modified in OLTP with a column value changed that is not mapped to DW. The data then should not be moved to...

  • RE: Incremental load - using timestamp reliable?

    PaulB-TheOneAndOnly (8/22/2011)


    Shurkadze (8/19/2011)


    We have a transactional database with every table containing create_date and update_date columns.

    We designed a data warehouse and developed ETL process (initial and incremental).

    Is it a valid concern...

  • RE: Help with VERY slow update

    LutzM (7/8/2011)


    To repeat what I stated earlier:

    It seems like the indexes available can't be used in the first statement since the indexes are not covering indexes (e.g. an index for...

  • RE: Help with VERY slow update

    roshan.zanwar (7/7/2011)


    Obviously, COUNT(*) will return u the result faster as it just counts number of rows.

    When using count(*) you are just joining the tables & counting number of rows.

    While in...

  • RE: Help with VERY slow update

    How fast does it return results when you replace the update with a select ?

    Are there Nulls in the columns on which your joining the tables.

    When I run COUNT (*)...

  • RE: Export XML file into a table

    Does the file need to be imported as 1 column in 1 row and then parced out or

    is there a way to import the file parsed out into separate columns/...

  • RE: Exceptional DBA Josef Richberg: fighting cancer, but still sharing

    You are an amazing person and an inspiration to all of us.

    Wish you speady recovery and keep your great spirit UP!

    Alexander.

Viewing 11 posts - 1 through 11 (of 11 total)