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From Serebra Learning Corporation
OS 390 MVS ESA Fundamentals of VSAM Part I
... course then examines the physical organization of a VSAM ESDS, including a close look at a control interval. The structure and components of a KSDS is discussed, which leads to the introduction of the third type of VSAM dataset -RRDS. How an RRDS can be accessed and how VSAM allows random access to records in an RRDS is also covered. The course ends with a description of the appropriate
more...
... course then examines the physical organization of a VSAM ESDS, including a close look at a control interval. The structure and components of a KSDS is discussed, which leads to the introduction of the third type of VSAM dataset -RRDS. How an RRDS can be accessed and how VSAM allows random access to records in an RRDS is also covered. The course ends with a description of the appropriate
more...
OS 390 MVS ESA Fundamentals of VSAM Part II
...e used, and how an alternate index relates to an existing ESDS or KSDS. It describes the role that catalogs play in maintaining and accessing VSAM datasets. It reviews the basic concepts of a catalog and shows how catalogs are used to locate and access a VSAM dataset. The course discusses master catalogs and user catalogs their uses, similarities and differences, examines the system datasets
more...
...e used, and how an alternate index relates to an existing ESDS or KSDS. It describes the role that catalogs play in maintaining and accessing VSAM datasets. It reviews the basic concepts of a catalog and shows how catalogs are used to locate and access a VSAM dataset. The course discusses master catalogs and user catalogs their uses, similarities and differences, examines the system datasets
more...
OS 390 C Programming
...ourse shows how an alternate index relates to an existing ESDS or KSDS and describes how and when an alternate index can be used. The course explains the role that catalogs play in maintaining and accessing VSAM datasets and reviews the basic concepts of a catalog. It also shows how catalogs are used to locate and access a VSAM dataset. It discusses master catalogs and user catalogs - their
more...
...ourse shows how an alternate index relates to an existing ESDS or KSDS and describes how and when an alternate index can be used. The course explains the role that catalogs play in maintaining and accessing VSAM datasets and reviews the basic concepts of a catalog. It also shows how catalogs are used to locate and access a VSAM dataset. It discusses master catalogs and user catalogs - their
more...
