Tag: programming languages

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Multiple choice technology programming languages

Consider this PROC SQL query: proc sql; select flightnumber, count(*) as Flights, avg(boarded) label="Average Boarded" format=3. from sasuser.internationalflights group by flightnumber having avg(boarded) > 150; The table Sasuser.Internationalflights contains 201 rows, 7 unique values of FlightNumber, 115 unique values of Boarded, and 4 different flight numbers that have an average value of Boarded that is greater than 150. How many rows of output will the query generate?

  1. 150

  2. 7

  3. 4

  4. 1
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation
Multiple choice technology programming languages

Which statement about the following PROC SQL query is false? proc sql; validate select name label=’Country’, rate label=’Literacy Rate’ from world.literacy where ’Asia’ = (select continent from world.continents where literacy.name = continents.country) order by 2;

  1. The query syntax is not valid.

  2. The outer query must pass values to the subquery before the subquery can return values to the outer query.

  3. PROC SQL will not execute this query when it is submitted.

  4. After the query is submitted, the SAS log will indicate whether the query has valid syntax.
Reveal answer Fill a bubble to check yourself
A Correct answer
Full explanation