SAP table TCN00 (Key Word ID for PS User Fields)

SAP Table TCN00 is used in the Project System (PS) module to define and manage keyword IDs for user-defined fields. These fields allow customization and flexibility by enabling users to create additional fields specific to their business requirements. The table stores configurations that link these user-defined fields to their respective keyword IDs, ensuring consistent usage across the system.

SAP table TCN00 has 2 primary key fields being MANDT,SLWID.

If you're only analyzing data from a single SAP instance you may omit field MANT in your relationships as it will we the same across the entire dataset. On the other hand, if you're combining data from multiple SAP instances you need to take MANDT into account.