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Question from a beginner - Compare one to all across a database

JohnMaty
9 - Comet

I have two databases (A and B).  Database A, I control and from which I get a datetime called "heartbeat".  Database B is owned by someone else and I can only read it.  As a result, I need to scan a table from Database B and see if the Create Date or LastUpdate Date for each row is greater than or equal to the datetime ("heartbeat") stored in Database A.  I need to create and/or update a table in Databse A that is identical to the table from Database B.  I need to reset the heartbeat in Database A to the same time the table scan started so it is available for the next run.

 

In other words I need to replicate Database B into Database A. 

 

I can't figure out how to get the "heartbeat" to compare to Database B's create or lastupdate date.  I tried using JOIN but that seems to require the fields to match exactly.  Any help would be greatly appreciated.

 

11 REPLIES 11
jdunkerley79
ACE Emeritus
ACE Emeritus

Agree with @JohnJPS, think DynamicInput the way to go.

 

Take a look at https://www.concentra.co.uk/blog/alteryx-perform-dynamic-incremental-data-extracts

 

JohnMaty
9 - Comet

Thank you .  THis solution worked perfectly and simply.  A great combination!

 

 

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