How long should -1 dummy records exist in fact tables?

Techniques for Updating existing fact records

I have certain cases where I need to adjust the data in the fact tables due to late arrivers etc... I wanted to get peoples opinion on what techniques work best when you have to do updates to Fact rows i.e. overwrite, adjust but keep audit

Fact table structure

I am pretty knew to the matter and need some guidance to the below. I have been of the view that facts shouldn't contain any descriptive information. But, pretty recently i switched companies and found that we have a scenario where facts in the area had

Does it belong in the stage tables or fact tables?

If I have a fact table with a "counter" fact, for example a customer places an order, but then goes back and changes parts of that order any number of times, I want to store how many times the customer changed his/her order. The grain of the

Modelling question - Multiple fact tables with one to many relationships and querying from many fact tables

Its a new capital markets data warehouse in design stage. I have deal_deatils_fact - 1 row per deal with all measures at deal level - dealID (Degenerative DIemsnion - DD) deal_tranche_fact - 1 row per deal per tranche with all measures at the

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

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

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

Audit Dimension Help

Hello all. I'm at the stage now where im building the audit dimension for my warehouse. I am having a little trouble figuring out a few things though. How do you aggregate the data from the error event fact table into the audit dimension? Some records

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

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LONG LIVE VHS!

The title says it all. I still have a few VHS titles left. And I have my parent's old GE VCR which is older than I am and it still plays tapes. This VCR was manufactured June of 1989 and I was born in September. The VCR was the whole package deal for

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How long does it take you to make a vid?

For me personally, it depends. If I'm doing a simple movie with no effects, it can take me about two days If I'm making a regular vid, it takes me a few weeks What about you guys?