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[CLOSED] Steps to implement SCD type 2
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Hi,

Can anyone provide the steps to implement SCD Type II in Data Migrator?

Thanks!!

This message has been edited. Last edited by: Tamra,


WebFOCUS 8.0
Windows, All Outputs
 
Posts: 6 | Registered: February 12, 2014Reply With QuoteReport This Post
Guru
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quote:
SCD Type II

Hi Karthik,

Has this issue been resolved? There is a recent post related to SCD type 2 (added below).

From a search on Information Builders’ online knowledge base here are a few links that pertain to your question regarding implementing SCD type 2:
Cannot insert or update rows to SCD tables

[Solved] Building SCD Type 2 Using Histroic Data

Target table is invalid for Slowly Changing Dimension

DMC and STAR SCHEMAS

After reviewing the above please let us know if you were able to find a solution.

Take care and have a nice day,
Tamra Colangelo
iWay Focal Point Moderator

This message has been edited. Last edited by: Tamra,


WebFOCUS 8x - BI Portal, Developer Studio, App Studio, Excel, PDF, Active Formats and HTML5
 
Posts: 487 | Location: Toronto | Registered: June 23, 2009Reply With QuoteReport This Post
Guru
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Loading of Slowly Changing Dimensions is covered in the DataMigrator Essentials course which was recently rewritten for Release 7.7.05.

Briefly the steps are

(0) Create a dimension table in you relational database and create a synonym for it.

(1) Open the synonym in the synonym editor with the Properties window open. For each column identify the SCD type (it's near the bottom of the list). Be sure that you have:
  • (blank) - key column of the table
  • Logical Key field - from the source table, such as a employee ID.
  • Type II - columns that you want to track history
  • Activation Flag and/or Begin/End Dates

(2) Create a data flow or direct load flow with your dimension table as a target. In target properties select load type of "Slowly Changing Dimensions."
 
Posts: 380 | Location: New York City | Registered: May 03, 2007Reply With QuoteReport This Post
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