Parsing INTERNAL REPRESENTATION OF OVERPUNCH SIGNS

Question

Parsing INTERNAL REPRESENTATION OF OVERPUNCH SIGNS

bernabe.diaz@yahoo.com

SSC Enthusiast

Points: 170
More actions
November 2, 2018 at 1:35 pm

#376231

Comments posted to this topic are about the item Parsing INTERNAL REPRESENTATION OF OVERPUNCH SIGNS

Viewing 3 posts - 1 through 2 (of 2 total)

You must be logged in to reply to this topic. Login to reply

frost_tom SSC Veteran Points: 221 More actions · Answer 1

The term "overpunch" takes me back about 50 years when I was working as a "tab machine" operator, handling vast quantities of punched cards, and programmed by wiring up "boards" to perform the different data processing functions. 🙂

ChrisM@Work SSC Guru Points: 186127 More actions · Answer 2

Some alternatives here.

^{“Write the query the simplest way. If through testing it becomes clear that the performance is inadequate, consider alternative query forms.” - Gail Shaw}

For fast, accurate and documented assistance in answering your questions, please read this article.
Understanding and using APPLY, (I) and (II) Paul White
Hidden RBAR: Triangular Joins / The "Numbers" or "Tally" Table: What it is and how it replaces a loop Jeff Moden