Difference between Logical Data Modelling & ERD

Logical Dimensional Model

Is there such a thing as a logical dimensional model? If you agree, how is it different than your physical dimensional model?

DIFFERENCE between Dimensional Modeling and Cube ?

Isnt cube part of Dimensional Modeling (Facts and Dimensions) ?

star data model and reporting with different dimension groupings

Dear community, I would like to ask you for helping me with a star data model / reporting problem. The simplified data model is: FACT_SALES (DATE_ID, PRODUCT_ID, CUSTOMER_ID, PLANT_ID, SALES_AMOUNT) DIM_PRODUCT (PRODUCT_ID, PRODUCT_NR,

Data Vault v's Dimensional Model

Seems to be a lot of interest over at LinkedIn around the DataVault model. I wondered what the thoughts were about it. When would you use it v's a Dimensional Model or even a 3NF for a data warehouse. more info here:

Difference between a Cube and a Star

Hello, I have a very basic question. Can anyone please, explain the difference between a cube and a star schema? I studied about Star schema. When I implement it in Oracle Warehouse Builder 11g, I have to create a cube. Am I doing right? regards,

What is the difference between the Maylong serial #M150A12 and the M150A11

I just noticed I have one of each. What is the difference between the two?

Difference between Call Centre and BPO?

Hello, everyone! I am an higher secondary passsed student and want to make my carrier in Call Center just because that is the only way out for me. Actually yesterday I gave an interview they asked me one question that what is the difference between a Call

Some Practical Challenges

Hi All I am facing some challenges in my dimensional modeling and most of these are covered in many books too.But i have practical limitation for that 1st Challenge :Unbalanced Hierarchy In one of the dimension we are tracking employees and their

Difference between IsTextPresent and IsVisible?

Hi, The main diffrence of both these command are as follows with proper syntax: 1. storeTextPresent ( pattern, variableName ) Verifies that the specified text pattern appears somewhere on the rendered page shown to the user.

Data Warehouse with high data availability

When a data warehouse is being updated by periodical ETL load, there could be significant performance impact on the end users' reports while the underlying tables are touched. The data becomes volatile and the query results could be different between

Who has daily pain

And what is its cause? I have pain most days and I believe it is trigger points. Its not the same as migraine, but it isnt totally different either. Today has been a frustrating day. I woke reasonable and was doing ok until I ate my lunch. I have

Data Mining

I'm requesting that folks pitch in and give me their results from bosses. What I'm hoping to accomplish is first of all a verification of preexisting drop rates already determined for the facebook version. Second I'd like to build a proper gear/unit/fp

Kirby's Epic Yarn!

So I got this today! Everybody with a soul enjoys some Kirby every now and then. This si Kirby's first console platformer game since Kirby 64 way back in 2000, I think it was. Time flies, eh? So here is what Sparky thinks of it: First off, Toys R' Us i