How To Create TMG In SAP, In this guide I will explain you few steps to create tmg in the table:
Go to utilities>Table Maintenance Generator

How to create TMG in a database table?
- Step 1: define Authorization Group &NC&, it is no authorization group, define Function Group assign your table name by default, and select Maintenance screen 1.

- Step 2: Click on Find Scr. Number, it will open a pop-up for screen number -> select purpose screen number and enter.

- step 3: Click on the White button or create to create TMG and save it.


How to update TMG?
Go to >Utilities > Table Maintenance Generator

Step 1: Go to the pencil button it will open a pop-up.


Step 2: there are 6 options available but we only need Field/sec. table removal from structure options -> enter.

Step 3: once enter it will open another dialog box that will display the key field, overview screen, and single-screen options that you want to update.

Step 4: we are done, then save it.
