CM22 IMS Physical Organization of Databases Unit 10 (IMS Data Sets Summary)

This unit reviews VSAM and OSAM use in IMS.

After completing this unit, you should be able to

•Describe the way VSAM KSDS, VSAM ESDS, and OSAM are used by IMS

•List uses of VSAM KSDS freespace and DL/I freespace and describe where to code these two kinds of freespace

0:01:03 VSAM KSDS

0:15:52 VSAM ESDS

0:24:52 OSAM