Answer Posted / rammohan
logical data base is a sap standard application program is
used to read data from multiple tables, it provides the
authorization checks and pre-defined selection screens.
eg:
in sap hr pa ----- pnp/pnpce node ---- pernr
om ----- pch node ---- objec
Recruitment ---pap node ----- applicant
ldb is hierarchal structure so performance is low.
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