Computer Science 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? OA) 2 O O B) 3 C) 4 D) 5 E) 6 F) none, due to syntax errors

Computer Science 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? OA) 2 O O B) 3 C) 4 D) 5 E) 6 F) none, due to syntax errors

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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Concept explainers

Types of Loop

Loops are the elements of programming in which a part of code is repeated a particular number of times. Loop executes the series of statements many times till the conditional statement becomes false.

Loops

Any task which is repeated more than one time is called a loop. Basically, loops can be divided into three types as while, do-while and for loop. There are so many programming languages like C, C++, JAVA, PYTHON, and many more where looping statements can be used for repetitive execution.

While Loop

Loop is a feature in the programming language. It helps us to execute a set of instructions regularly. The block of code executes until some conditions provided within that Loop are true.

Question

Computer Science
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?
OA) 2
O
O
B) 3
C) 4
D) 5
E) 6
F) none, due to syntax errors

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