24 мая 2020 г.
Learned quite a bit. Well presented. Though, without access to a mainframe to practice and experiment, this stuff learned will fade away. Would be nice to see a COBOL/Db2 course from IBM
27 янв. 2020 г.
Great instructor.\n\nEasy to follow/read material.\n\nAll material is relevant when working the technical side of mainframe.
автор: PEI-CHUN Y•
31 окт. 2020 г.
The courses are too short and simple.