I believe you. You know, as I wrote that sentence a flicker of doubt ran through my mind. I wonder if the true statement is "ISAM did not support updating a record if the length changed."
There was some sort of ISAM shortcoming because a bunch of folks apparently developed their own "VISAM." Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Tom Marchant Sent: Wednesday, April 1, 2020 6:43 AM To: [email protected] Subject: Re: PARM= vs PARMDD= and symbol substitution On Tue, 31 Mar 2020 13:46:07 -0700, Charles Mills wrote: >RECFM=V was not supported by ISAM. It most certainly was. We used it in the early 1970s at Wayne State University for the Admissions system. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
