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25 lines
827 B
SQL
25 lines
827 B
SQL
DROP TABLE IF EXISTS store;
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DROP TABLE IF EXISTS location;
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DROP TABLE IF EXISTS sales;
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CREATE TABLE store (id UInt32, "名称" String, "状态" String) ENGINE=MergeTree() Order by id;
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CREATE TABLE location (id UInt32, name String) ENGINE=MergeTree() Order by id;
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CREATE TABLE sales ("日期" Date, "店铺" UInt32, "地址" UInt32, "销售额" Float32) ENGINE=MergeTree() Order by "日期";
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INSERT INTO store VALUES (1,'店铺1','启用'),(2,'店铺2','停用');
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INSERT INTO location VALUES (1,'上海市'),(2,'北京市');
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INSERT INTO sales VALUES ('2021-01-01',1,1,10),('2021-01-02',2,2,20);
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SELECT
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`日期`,
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location.name,
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store.`状态`
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FROM sales
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LEFT JOIN store ON store.id = `店铺`
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LEFT JOIN location ON location.id = `地址`
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ORDER BY 1, 2, 3;
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DROP TABLE store;
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DROP TABLE location;
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DROP TABLE sales;
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