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Data Manipulation using SQL

bookSQL Full Outer Join

Let's explore FULL OUTER JOIN: it does joining for a union of records of table1 and table2:

All uncompleted fields got the value NULL.

Task

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For each singer, find the most expensive (price) song and the newest (year) album. Use FULL OUTER JOIN to see what's the result is. You should show singers.naming, songs.price with price alias, and albums.year with year alias values.

Solution

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SectionΒ 2. ChapterΒ 4
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bookSQL Full Outer Join

Swipe to show menu

Let's explore FULL OUTER JOIN: it does joining for a union of records of table1 and table2:

All uncompleted fields got the value NULL.

Task

Swipe to start coding

For each singer, find the most expensive (price) song and the newest (year) album. Use FULL OUTER JOIN to see what's the result is. You should show singers.naming, songs.price with price alias, and albums.year with year alias values.

Solution

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Everything was clear?

How can we improve it?

Thanks for your feedback!

close

Awesome!

Completion rate improved to 5.88
SectionΒ 2. ChapterΒ 4
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single

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