WCCLU is a standard SAP Table which is used to store WCM: Lineup Usage data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The WCCLU table consists of various fields, each holding specific information or linking keys about WCM: Lineup Usage data available in SAP. These include IWERK (Maintenance Planning Plant), LUUSE (Lineup Usage), LUMINVERLVL (Minimum Number of Checks), CHANGEABLE (Change Possible)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .