How to join tables without creating a new table?

[#1]

LS,

I want to add data from a table to a main table. This can be easily done by using the "join" option from the tables menu. However, this generates a new datatable while I want to add data to the main data table.

Now I have to close the original main table and than overwrite the original file with all potential risks.

Is thisd possible, and how (note that I know that JMP uses scripts, but I am not familiar with building my own scripts

thanks

Kees

[#2]

Hi,

Instead of JOIN. Use the UPDATE option in the Tables Menu.

[#3]

HY Phil,

Thanks for your reply. Unfortunately, and indeed unexpectedly because I also expected "update" to update the whole table, this command updates columns AND stores the update in a new table.

Thanks
Kees

[#4 · Accepted solution]

In the Join dialog box, there is a check box, that allows you to "Update main table with data from second table"

[#5]

Strange, in my case it still creates a new table.

[#6]

If you use
Tables=>Update
it will not create a new table

[#7]

This creates a new data table per the JMP 18.1 documentation: 

Update main table with data from second table

Data in the original table are updated with data in columns that have the same names. The results are displayed in a new data table.

I think this didn't used to create a new data table. Was this changed recently? 

I found a JMP Wishlist item for this: Tables join: option to update main table. Please upvote the Wishlist item if you would like to see this implemented in JMP.

[#8]

Tables=>Join

always creates a new data table.

Tables=>Update

does not create a new table

[#9]

You are looking at the documentation for JOIN DATA TABLES. There is an option when joining tables, to "Update main table with data from second table". This is different from the other function -- UPDATE DATA TABLEs

See the following link for the details: Update Data Tables

[#10]

If you are running JMP/JMP Pro version 13 the new virtual join capability might be something worth looking at. Especially if the size of the joined data table takes up a relatively large RAM footprint on your computer. Here's the link to the virtual join portion of the JMP online documentation:

http://www.jmp.com/support/help/13-1/Virtually_Join_Data_Tables.shtml