BW PSA

BW中PSA的方式
1.PSA and then data targets (by package)
If errors occur when posting data to the data targets, you can updatethe data packages from the PSA table to the data targets again afteryou have eliminated the errors.
2.PSA and data targets in parallel (by package)
Need many Dialog process
3.PSA only
Enables you to write all the extracted data packages for arequest to the PSA table without updating them to the data targets.
Ready for further update
4.Data targets only
if you load the data using the PSA table, you have the option ofcreating a start routine in the maintenance screen for the transfer rules.With the start routine you canchange (for example, add or delete data) or check data packages.