SAS/ACCESS Interface to IMS-DL/I Software

Introduction

An advantage of the SAS/ACCESS to IMS-DL/I interface view engine is that it enables the SAS System to read and write IMS-DL/I data directly from SAS programs without having to code DL/I calls. This chapter presents examples using IMS-DL/I data described by view descriptors as input data for SAS programs. Throughout the examples, the SAS terms variable and observation are used instead of the IMS-DL/I terms field and segment because this chapter illustrates using SAS procedures and the DATA step. The examples include charting data using the Version 7 SQL procedure to combine data from various sources, and updating a Version 6 SAS data file with data from IMS-DL/I.

READ, WRITE, ALTER, or PW passwords can be assigned to a view descriptor, access descriptor, PROC SQL view, DATA step view, or SAS data file. See ACCESS Procedure Reference and SAS System Passwords for SAS/ACCESS Descriptors for information on assigning passwords.

Appendix 2 includes definitions of all the view descriptors referenced in this chapter. Appendix 2 also includes the IMS-DL/I database data, SAS data files, and a DB2 table used in some of the examples.

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