Transparent table that is defined in the ABAP dictionary and stored in the database. This table contains all business and application data.
The table check takes place when you maintain a change master record whose effectivity is defined by a parameter effectivity.
If you assign values to a parameter with the check table, the system checks whether the value exists in the database.
The effectivity type SERNR (serial number effectivity) is defined as follows in Customizing:
If you want to enter the area of effectivity for the serial number interval 100-500 in the change master record for material M-1, the system checks whether a material master record exists for material M-1.
You must also enter the check field that is to be checked in the check table.