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  1. avjoshi

    Datawahouse Split

    I don't have any experience in this but a couple of things come to mind. The split can mean two things, 1. Horizontal split, i.e. split the data while keeping the formats and standards for Metadata and Master Data. 2. Vertical split, i.e. functionality split where one of the spin off gets a...
  2. avjoshi

    Date dimension with multiple time zones

    following approach worked fine in our case. a. All transactions are recorded in GMT (UTC) b. Create separate "Time" dimension with a grain oh hour, with a grain based on UTC. c. Add time zones to "Date" dimension with separate zonal columns for each time zone- One column to store "time...
  3. avjoshi

    Joining facts to multiple levels in the same dimension

    I would create product_group_dim table and then conform it to the product dimension. Anand
  4. avjoshi

    Partition pruning and surrogate key

    Oh, and I forgot to add that in the scenario that i describe the fact table is partitioned on d_id. Anand
  5. avjoshi

    Partition pruning and surrogate key

    I've often observed that Oracle's partition pruning is not very effective when a query doesn't refer to the partition key in the query. for example select d.attribute1, sum(m.measure) from dimension d, fact m where d.id = m.d_id and m.d_id = 12345; Or, select d.attribute1, sum(m.measure) from...
  6. avjoshi

    Heterogeneous Products with Transaction Facts

    mayidunk, I don't have the book handy with me so my answer is going to be a little vague but have you considered creating a single dimension table with all the pertinent attributes for both the account types? If they are mutually exclusive then those would simply be null. As you know, null...
  7. avjoshi

    ORA-29829: implementation type does not exist

    Concur with SantaMufasa. The syntax is correct. Anand
  8. avjoshi

    saving SQL Profile

    How do you clone the database? If it's a copy of a cold backup then you can set the profile in the source database. Anand
  9. avjoshi

    ORA-12518 TNS:Listener could not hand off client Connection

    Check the number of concurrent processes allowed on the server. I don't know if or how you check it on Windows server but on UNIX it's a setable kernal parameter. Anand
  10. avjoshi

    ORA-29829: implementation type does not exist

    This error means type specified by the using clause doesn't exist. Can you share your DDL statement with us? Anand
  11. avjoshi

    purplexing err on the PL/SQL code...

    Silly me. That was it!! Removing the semicolon solved the problem. Thanks, SantaMufasa!! Anand
  12. avjoshi

    purplexing err on the PL/SQL code...

    Hi Guys, I have a confusing problem, I wrote following program to populate a table. It gives me an "Invalid Character" error but when I generate output using dbms_output and run it is works as expected. Declare valStr varchar2(250); tmSlice date; hh24 number; mi number; hago date; minSeq...
  13. avjoshi

    Table created by a query doesn't match with query itself!

    Dagon, They all belong to same schema. The MVs were created this morning right before creating the staging table. I droped the thable and recreated again as queried it immediately. Same results!! Now, here's fun part! I created the view like you suggested and I get yet another set of results...
  14. avjoshi

    Table created by a query doesn't match with query itself!

    Dagon, yes there are differences but the question is why? Since I am creating the staging table using same query. Anand
  15. avjoshi

    Table created by a query doesn't match with query itself!

    Hi Guys, This is quiet puzzling scenario. I'm creating a table using a sql statement (create table as select...). When I compare the results from that table against the sql statement that created it I get different results. I am stumped. May be I am making some stupid mistake but I'm kinda of...
  16. avjoshi

    To aggregate or not to aggregate. Multiple fact table or not ??

    John man, you have solved so many of our problems that if you had charged 100 bucks for every solution you would be millionaire by now. :) here's a purple star from me. Anand
  17. avjoshi

    ACCESS AND SQL

    Is this table in Oracle database? If so, then can you post the error message? Also, The column name "[check]" is not in Oracle compatible format. Anand
  18. avjoshi

    failure to access Database from Enterprise Manager console

    That's a great tip. Does it work on different versions of client software? I mean what if I have 8i,9i and 10g clients? Anand
  19. avjoshi

    Best reason for keeping Staging in ER?

    sweetleaf, just curious. Do you intend to create a copy of the dimension table for each data mart and the original remains in the staging area? If yes, what what is the reason behind it? Anand
  20. avjoshi

    Need 2 solutions, parameter or no parameter.

    Try this. I made a few changes to your code because I personally prefer to use functions whenever there is a return value. I haven't had a chance to test the package myself. May be, the resident experts will have better solution for you CREATE OR REPLACE PACKAGE GroupsPackage AS TYPE...

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