2020년 5월 24일
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
2020년 1월 27일
Great instructor.\n\nEasy to follow/read material.\n\nAll material is relevant when working the technical side of mainframe.
교육 기관: PEI-CHUN Y•
2020년 10월 31일
The courses are too short and simple.