Data Cluster (ABAP memory)

A data cluster (ABAP Memory) is a group of data objects grouped together for the purpose of storage in a storage medium that can only be edited using ABAP statements.  The data objects are written to the storage medium by the statement EXPORT. The data objects are extracted again by the statement IMPORT. The statement DELETE can be used to delete any storage medium. The statement FREE can be used to delete the ABAP Memory. The statement IMPORT DIRECTORY generates a list of all data objects that have previously been exported to a database table. EXPORT Syntax  … {p1 = dobj1 p2 = dobj2 …}| {p1 FROM dobj1 p2 FROM ...