In Project System module SAP Wbs Tables play key role by managing project data being a mandatory component. These tables reside the hierarchical breakdown of data in manageable components. Moreover, they are very helpful for the people working in SAP environment by facilitating them with the structure and accessible data required for various project management activities.
| Tables | Description | Functional Area |
| PRPS | Contains master data for WBS elements | Project Systems |
| PROJ | Stores project definition data | Project Systems |
| AFVC | Contains data for operations within a production order | Production Planning |
| AFVV | Quantities, Dates, and Values in Operations | Production Planning |
| COSSA | Cost Totals for Project Versions | Controlling |
| COEP | CO Object: Line Items | Controlling |
| COBK | Contains headers of CO documents | Controlling |
| COVP | Hold settlement information for CO objects | Controlling |
| TCJED | Maps projects to investment programs | Investment Management |
| TCJDB | Assigns document types to projects | Project Systems |
| TCJED | Links projects with investment programs | Investment Management |
| CJIT | Index table for project systems info | Project Systems |
| CATSDB | Time sheet interface table | Cross-Application Time Sheet |
| CRHD | Contains work center headers | Production Planning |
| AFIH | Maintenance Order Header | Plant Maintenance |
| AFKO | Order Header Data for Production Orders | Production Planning |
| AFPO | Stores data for order items | Production Planning |
| AFRU | Contains data on order confirmations | Production Planning |
| AUFK | Master data for orders | Production Planning |
| BKPF | Accounting Document Header | Financial Accounting |
| BSEG | Stores segments of accounting documents | Financial Accounting |
| BPBK | Stores company code assignments for business partners | Financial Accounting |
| EBAN | Contains data on purchase requisitions | Materials Management |
| EKBE | History per Purchasing Document | Materials Management |
| EKPO | Purchasing Document Item | Materials Management |
| EKKN | Account Assignment in Purchasing Document | Materials Management |
| EKET | Scheduling Agreement Schedule Lines | Materials Management |
| KONV | Stores conditions for pricing | Sales and Distribution |
| LFA1 | master data for vendors | Materials Management |
| MARA | General Material Data | Materials Management |
| MKPF | Material Document Header | Materials Management |
| MSEG | Document Segment: Material | Materials Management |
| RESB | Reservation/Dependent Requirements | Materials Management |
| S061 | Purchasing Information | Materials Management |
| VBAP | Sales Document: Item Data | Sales and Distribution |
| VBAK | Sales Document: Header Data | Sales and Distribution |
| VBEP | Sales Document: Schedule Line Data | Sales and Distribution |
| VBRK | Stores header data for billing documents | Sales and Distribution |
| VBRP | Billing Document: Item Data | Sales and Distribution |
| VBUK | Sales Document: Header Status and Administrative Data | Sales and Distribution |
| VBUP | Sales Document: Item Status and Administrative Data | Sales and Distribution |
| COSS | Cost Totals for Internal Orders | Contains cost totals for internal orders |
| CSKS | Cost Center Master Data | Controlling |
| CSKT | Contains texts for cost centers | Controlling |
| LQUA | Quant Data in Storage Bins | Warehouse Management |
| MVER | Stores material consumption data | Materials Management |
| T003T | Contains texts for document types | Financial Accounting |