IMS Essentials Part 1 IMS Database Manager 

...cal databases are covered, and the
Data Language/I (DL/I) function codes used to query and update the databases within application programs. You are introduced to database change logging and the various database recovery utilities used in
IMS. Finally, you learn about IMS hierarchic access methods and about optimizing DL/I access methods. This course is current to IMS v.8, but generally
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