99c4e02ecf
Name it instead "topics" so it won't be strange if some topics included "exercises" directory.
11 lines
147 B
Markdown
11 lines
147 B
Markdown
## Comparisons vs. Functions
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1. Improve the following query
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```
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SELECT count(*)
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FROM shawarma_purchases
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WHERE
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YEAR(purchased_at) == '2017'
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```
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