You need relationship for that to work. Fields that match on both sides on a relationship in your relationship graph
After you have that you can create field calculation to pull data out of the other table.
I think I get what you are trying to say, but can you use some real world examples.
Are you saying (guessing)
If you update the data from the original table, how do you get it to change on the other table?
If so, then the question is:
How did you get the data to 'pull' as you say from the initial table? Calculation? Lookup?
If calculation, is it an auto-enter calculation, with the "Do not replace.." box checked/unchecked"
First off use Calculation instead of Lookup because you can handle it much easier.
The Do not replace should only be enabled if you just want the calculation to take place the first time and never calculated the calculation again. It´s very rare that you setup a field like that if, because if you update things in your related table you would like to have the latest value in your table.
I got Customer and Order
In Order I have Customer ID that I set when I choosing what customer I want to set for the Order. That means I now can have a relationship between Order and Customer on my Customer ID field.
I then have three fields for Address, Zipcode and City that I pull out of Customer table instead of having to reenter the information. For that I use a calculated Text field and just choose the related field in the Customer table. If Order need to change Address it can, but it will always start with same address information as Customer have.
You are correct in your guess above thank you for making more clear.
Np, but you didn't answer any of my questions
sorry thought it pasted in my answer. See below
How did you get the data to 'pull' as you say from the initial table? I used Calculation.
If calculation, is it an auto-enter calculation, with the "Do not replace.." box checked/unchecked" Unchecked.
First of you need to have a relationship to the other table.
Then in Manage > Database > Fields
Create a new Field called Test
Field show be out of type Text and hit Create
Click on Options
Click on Calculate value
From value list in upper left corner choose your relationship and pick the field you like to choose so that it end up in the calculation area.
Click on OK
Then it is up to you to decide if you want to have the information calculated everytime or just the first time. That is what you do with Do not replace. Like in Order Customer that I wrote about above I have it Enabled because I want the address to be like it is right now and then never change again.
You can read about this and a whole lot more in free FileMaker Training Series