Select data from sap tables RV45
Display SAP table details
RV45A - Data Fields for SAPMV45A
RV45A_UV - Special Rules for Availability Check (Header/Item)
RV45B - Work Area for SAPMV45B
RV45C - Work Area for SAPLV45B
RV45K - Data Fields for Search Help when Creating with Reference
RV45S - Matchcode selection fields for sched.agreements w.rel.orders
RV45Z - Work fields for component supplier functions
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