data work.quiz2; set work.quiz; drop B D; E=sum (A, B, C, D); D-mean (A, B); run; The SAS table work.quiz has four columns, which are numeric and named A, B, C, and D. After I run the code shown above, how many columns will be in work.quiz2?

data work.quiz2; set work.quiz; drop B D; E=sum (A, B, C, D); D-mean (A, B); run; The SAS table work.quiz has four columns, which are numeric and named A, B, C, and D. After I run the code shown above, how many columns will be in work.quiz2?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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