Updating Fact Table : Best practice

Updating a Fact Table

I currently working on an Accounting Datamart which the dims and facts are loaded daily. I have recently had a request to update the data after its been loaded. The best way for me to explain this is to give an example. The data is loaded daily, so

Stage Table for Fact Data

Is it a best practice to truncate a stage table before every load? --- RPC

Duplicating a field in more than one fact table.

Question about dimensional modeling. Scenario: I have a dimension called: 1. Dim_Application And two fact tables: 1. Fact_ApplicationStatus 2. Fact_ApplicationConsolidation Now the Dim_Application consists all the applications

Best Practice For Indexes

Many books have very different opinions on what indexes you should create for a typical star schema having the following generic structure: Fact table fact_surrogate_key dim1_sk dim2_sk dim2_bk (business key -- assuming hybrid type 2 scd, joins bot

Indicator Dimension or Fact Table

Sorry, this is a long explanation but I wanted to document the entire case. Thanks in advance for your advice. Background: Currently we are modeling a data mart for traffic accident data. The source system is a repository rather than a

Transactional detail fact table w/complimentary snapshot table. How do the two play together?

Take a detail daily banking transaction table with standard credit and debit level transactions. I want to build the accompanying snapshot that would present the higher level rollups of these lower transactions: There are about 250 daily transaction

Fact table with multiple date ?

Hi, I am modling a fact table for prisoners inscription in order to track historical changes. An admission is the hole stay comprise of one or many inscriptions usually separated by transferts between institutions. In the transactionnal system, it

Montly Snapshot views with transactional Fact table w/SCD2

I am a new at working with Dimensional Database design. I am struggling with something that probley is real easy to do, but just can't find documentation that will explain it. I want to create a monthly snapshot view of my transactional Fact table with

Combination of SCD2, partial snowflake, Effective and end dates in fact table

We are creating dataware housing for multitanant based systems for HR module. Requirement ?Able to report on historical data for any given data time. Active employees headcount till given date. (as of that day) Onhire and termination based on perticula

Questionnaire for medical record entries

Good afternoon, I am currently working on a data warehouse in the health care sector and I currently facing this problem: The aim of this warehouse is to have an overview of a cancer therapy. So, I have created the following fact table

fact table as a dimension

Hi I'm presently modeling a data mart and I would like to use a fact table as a dimension for another fact table. Is it something doable and efficient or is there a better way to do that? if yes should i just create a surrogate key and link both

100 reasons why Madeleine was not abducted

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Regarding Factless Fact Tables

Some time ago I was asked to build the BI platform for a road safety organization. The warehouse was built of three primary fact tables, each with a collection of associated dimensions. I am now trying to branch out into ETL and Warehouse design, and from