CM22 IMS Physical Organization of Databases Unit 1 Part 1 (Introduction to IMS and DL/I)

This unit provides an overview of IMS concepts.

After completing this unit, you should be able to:

Describe database concepts:

Hierarchic structure
Segments
Database records
Segment relationships
Database definition (DBDGEN)
Program Specification Block (PSB) purpose
PSB definition (PSBGEN)
Database load

Student Notes : https://ibm.box.com/s/z7yf7vrj1t7lyfeg4q1fj4psf428azv3

0:01:50 IMS Database concepts

0:13:04 Education database hierarchy

0:21:40 Segments

0:56:58 DBDGEN

1:05:52 Education database DBDGEN

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