Online Esa Fundamentals eLearning

OS 390 MVS ESA Fundamentals of VSAM Part I This course covers the concepts needed to design, or code, applications that use the Virtual Access Storage Method (VSAM). It begins with an overview of VSAM, describes what VSAM does for application programs that request its services, the four types of VSAM datasets, followed by a detailed explanation of the VSAM entry-sequenced dataset. The course then examines the physical organization of a  more...

OS 390 MVS ESA Fundamentals of VSAM Part II This course explains how VSAM adds and deletes records to and from a KSDS. It describes how VSAM manages the space within the data components of the KSDS when it performs additions or deletions. Also covered is the organization and function of an alternate index, how and when an alternate index can be used, and how an alternate index relates to an existing ESDS or KSDS. It describes the role that  more...

OPC/ESA Fundamentals OPC/ESA Fundamentals  more...

JCL Coding Fundamentals I This course provides a practical overview of job processing functions, JCL commands and the use of JCL with the MVS/ESA operating system. It teaches how to successfully write, interpret and debug JCL jobstreams. Programmers, analysts, operators, managers, production support and some end users.  more...

JCL Coding Fundamentals II This course provides a practical overview of job processing functions, JCL commands and the use of JCL with the MVS/ESA operating system. It teaches how to successfully write, interpret and debug JCL jobstreams. Programmers, analysts, operators, managers, production support and some end users.  more...

JCL Coding Fundamentals JCL/ESA Coding Level I provides a practical overview of job processing functions, JCL commands, and the use of JCL with the MVS/ESA operating system. It teaches how to successfully write, interpret and debug JCL jobstreams. This course has been transformed from a character-based to a graphical style. New features include a course map, bookmarking, colorful graphics and animations.  more...