From the weather.sql file posted in classwork, rewrite the following query to use joins instead of nested queries: SELECT * FROM forecasts f WHERE f.cid IN (SELECT c.cid FROM conditions c WHERE c.cname = 'Rain') AND f.lid IN (SELECT 1.lid FROM locations l WHERE 1.state = 'NY');

Database Systems: Design, Implementation, & Management
11th Edition
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Chapter8: Advanced Sql
Section: Chapter Questions
Problem 9P
icon
Related questions
Question
100%
From the weather.sql file posted in classwork, rewrite the following query to use joins instead of nested queries:
SELECT * FROM forecasts f
WHERE
f.cid IN (SELECT c.cid FROM conditions c
WHERE c .cname
'Rain')
AND
f.lid IN (SELECT l.lid FROM locations l
WHERE 1.state = ' NY');
Transcribed Image Text:From the weather.sql file posted in classwork, rewrite the following query to use joins instead of nested queries: SELECT * FROM forecasts f WHERE f.cid IN (SELECT c.cid FROM conditions c WHERE c .cname 'Rain') AND f.lid IN (SELECT l.lid FROM locations l WHERE 1.state = ' NY');
Expert Solution
Step 1

select f.cid, f.lid from forecast f join conditions c join locations l
where
f.cid=c.cid and
f.lid=l.lid and
c.name='Rain' and
l.state='NY'

steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Intermediate SQL concepts
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781285196145
Author:
Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:
Cengage Learning
Database Systems: Design, Implementation, & Manag…
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781305627482
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Oracle 12c: SQL
Oracle 12c: SQL
Computer Science
ISBN:
9781305251038
Author:
Joan Casteel
Publisher:
Cengage Learning