automated commit by submit50

10.sql

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+-- write a SQL query to answer a question of your choice about the prints. The query should:
+-- Make use of AS to rename a column
+-- Involve at least one condition, using WHERE
+-- Sort by at least one column, using ORDER BY
+SELECT ROUND(AVG("brightness"), 2) AS "Hiroshige Average Brightness" FROM "views" WHERE "artist" = "Hiroshige";

3.sql

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+-- write a SQL query to count how many prints by Hokusai include “Fuji” in the English title.
+-- Though all of Hokusai’s prints focused on Mt. Fuji, in how many did “Fuji” make it into the title?
+SELECT COUNT(*) FROM "views" WHERE "artist" = "Hokusai" AND "english_title" LIKE "%Fuji%";

4.sql

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+-- write a SQL query to count how many prints by Hiroshige have English titles that refer to the “Eastern Capital”.
+-- Hiroshige’s prints were created in Japan’s “Edo period,” referencing the eastern capital city of Edo, now Tokyo.
+SELECT COUNT(*) FROM "views" WHERE "artist" = "Hiroshige" AND "english_title" LIKE "%Eastern%Capital%";

5.sql

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+-- write a SQL query to find the highest contrast value of prints by Hokusai. Name the column “Maximum Contrast”.
+-- Does Hokusai’s prints most contrasting print actually have much contrast?
+SELECT MAX("contrast") AS "Maximum Contrast" FROM "views";

6.sql

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+-- write a SQL query to find the average entropy of prints by Hiroshige, rounded to two decimal places.
+-- Call the resulting column “Hiroshige Average Entropy”.
+SELECT ROUND(AVG("entropy"), 2) AS "Hiroshige Average Entropy" FROM "views" WHERE "artist" = "Hiroshige";

7.sql

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+-- write a SQL query to list the English titles of the 5 brightest prints by Hiroshige, from most to least bright.
+-- Compare them to this list on Wikipedia to see if your results match the print’s aesthetics.
+SELECT "english_title" FROM "views" WHERE "artist" = "Hiroshige" ORDER BY "brightness" DESC LIMIT 5;

8.sql

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+-- write a SQL query to list the English titles of the 5 prints with the least contrast by Hokusai, from least to highest contrast.
+-- Compare them to this list on Wikipedia to see if your results match the print’s aesthetics.
+SELECT "english_title" FROM "views" WHERE "artist" = "Hokusai" ORDER BY "contrast" ASC LIMIT 5;

9.sql

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+-- write a SQL query to find the English title and artist of the print with the highest brightness.
+SELECT "english_title", "artist" FROM "views" ORDER BY "brightness" DESC LIMIT 1;