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SAS Certified Professional Prep Guide
book

SAS Certified Professional Prep Guide

by SAS Institute
October 2019
Intermediate to advanced content levelIntermediate to advanced
430 pages
19h 4m
English
SAS Institute
Content preview from SAS Certified Professional Prep Guide

Chapter 5: Using Subqueries

  1. Correct answer: d
    To remove duplicate values from PROC SQL output, you specify the DISTINCT keyword before the column name in the SELECT clause.
  2. Correct answer: d
    To list rows that have no data (that is, missing data), you can use either of these other conditional operators: IS MISSING or IS NULL. The NOT EXISTS operator is used specifically with a subquery, and resolves to true if the subquery returns no values to the outer query.
  3. Correct answer: b
    When a WHERE clause references a new column that was defined in the SELECT clause, the WHERE clause must specify the keyword CALCULATED before the column name.
  4. Correct answer: c
    To determine how PROC SQL calculates and displays output from summary functions, ...
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Publisher Resources

ISBN: 9781642954692