SAP ABAP - Lock Objects

SAP ABAP - Lock Objects
Lecture By: Mr. Sanjo Thomas, Tutorials Point India Private Limited.

[TutorialsPoint_]

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[lican]

Thanks for sharing these video, and very helpful for us new ABAPer, but I suggest add some verify process for every tutorial.

[bezawadaharikrishna]

But, at 6:00 told only one user at a time. So, does it means limited to one access or can access by multiple users if have logins.

[darshanthakar]

Why we start lock objects name start with EY or EZ . what is the reasion?
can you explain me .