Challenge: Updating Page Counts
The library discovered that some books in their database have incorrect page counts due to a data entry error. Specifically, for books published before the year 2000, the page count was mistakenly recorded 10 pages fewer than the actual number of pages.
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Your task is to fix this error by updating the pages column in the books table. Increase the page count by 10 for all books where published before the year 2000.
You can reference a column value in an UPDATE statement like this:
UPDATE table_name
SET column_name = column_name + value
WHERE condition;
Solution
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Completion rate improved to 1.72Challenge: Updating Page Counts
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The library discovered that some books in their database have incorrect page counts due to a data entry error. Specifically, for books published before the year 2000, the page count was mistakenly recorded 10 pages fewer than the actual number of pages.
Swipe to start coding
Your task is to fix this error by updating the pages column in the books table. Increase the page count by 10 for all books where published before the year 2000.
You can reference a column value in an UPDATE statement like this:
UPDATE table_name
SET column_name = column_name + value
WHERE condition;
Solution
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Awesome!
Completion rate improved to 1.72single
