DISTRIBUTED DATA MANAGEMENT
\dˈɪstɹɪbjˌuːtɪd dˈe͡ɪtə mˈanɪd͡ʒmənt], \dˈɪstɹɪbjˌuːtɪd dˈeɪtə mˈanɪdʒmənt], \d_ˈɪ_s_t_ɹ_ɪ_b_j_ˌuː_t_ɪ_d d_ˈeɪ_t_ə m_ˈa_n_ɪ_dʒ_m_ə_n_t]\
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(DDM) An IBM data protocolarchitecture for data management services across distributedsystems in an SNA environment.DDM provides a common data management language for datainterchange among different IBM system platforms.Products supporting DDM include AS/400, System/36,System/38 and CICS/DDM.On the AS/400, DDM controls remote file processing.DDM enables application programs running on one AS/400system to access data files stored on another systemsupporting DDM. Similarly, other systems that have DDM canaccess files in the database of the local AS/400 system.DDM makes it easier to distribute file processing between twoor more systems.OS/400 Distributed Data Management V3R6 Reference(http://as400bks.rochester.ibm.com/cgi-bin/bookmgr/bookmgr.cmd/BOOKS/QBJALH00/CCONTENTS).
By Denis Howe
