I need help explaining this SQL ====================================================== -- Create the view named "WeatherView" CREATE VIEW "WeatherView" AS SELECT "name", "countryCode", "description","temp", "feelsLike", "humidity", "pressure", "sunrise", "sunset", "updatedOn" FROM "City" "c" INNER JOIN "Country" "cn" ON "c"."countryId"= "cn"."countryId" INNER JOIN "weather" "w" ON "w"."cityId"= "c"."cityId"; -- Select all columns from the "WeatherView" view SELECT * from "WeatherView";
I need help explaining this SQL ====================================================== -- Create the view named "WeatherView" CREATE VIEW "WeatherView" AS SELECT "name", "countryCode", "description","temp", "feelsLike", "humidity", "pressure", "sunrise", "sunset", "updatedOn" FROM "City" "c" INNER JOIN "Country" "cn" ON "c"."countryId"= "cn"."countryId" INNER JOIN "weather" "w" ON "w"."cityId"= "c"."cityId"; -- Select all columns from the "WeatherView" view SELECT * from "WeatherView";
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
Related questions
Question
I need help explaining this SQL
======================================================
-- Create the view named "WeatherView"
CREATE VIEW "WeatherView" AS
SELECT "name", "countryCode", "description","temp", "feelsLike", "humidity",
"pressure", "sunrise", "sunset", "updatedOn"
FROM "City" "c"
INNER JOIN "Country" "cn" ON "c"."countryId"= "cn"."countryId"
INNER JOIN "weather" "w" ON "w"."cityId"= "c"."cityId";
-- Select all columns from the "WeatherView" view
SELECT * from "WeatherView";
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps
Knowledge Booster
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.Recommended textbooks for you
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education