SAP table SER00 (General Header Table for Serial Number Management)

SAP table SER00 has 2 primary key fields being MANDT,OBKNR.

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.

Field Description Data Type Length Decimals Checktable Data Element
MANDT Client CLNT 3 0 T000 MANDT
OBKNR Object list number INT8 19 0 OBJKNR
CUOBJ Configuration (internal object number) NUMC 18 0 CUOBJ