Here we would like to draw your attention to A521 table in SAP. As we know it is being mainly used with the SAP SD-MD (Master Data in SD) component which is coming under SD module (Sales & Distribution). A521 is a SAP standard transparent table used for storing Campaign/Material related data in SAP. It comes under the package VKON.
Table A521 technical data
| Table | A521 |
| Data storing | Campaign/Material |
| Module | SD |
| Component | SD-MD |
| SAP Package | VKON |
| Delivery Class | A – Application table (master and transaction data) |
| Table Category | TRANSPARENT |