8 lines
293 B
MySQL
8 lines
293 B
MySQL
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-- Determine the identifiers of purchases performed in Vienna on the last day present in the database.
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SELECT Purchases.id AS ids
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FROM Purchases
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JOIN province ON province.ROWID = Purchases.province
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WHERE time > date((SELECT MAX(time) FROM Purchases),'-1 days') AND province.name = 'Vienna'
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;
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