Update ch03: 复杂一点的查询.md
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@@ -447,9 +447,9 @@ sql 自带了各种各样的函数,极大提高了 sql 语言的便利性。
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USE shop;
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DROP TABLE IF EXISTS samplemath;
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CREATE TABLE samplemath
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(m float(10,3),
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n INT,
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p INT);
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(m NUMERIC(10,3),
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n INT,
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p INT);
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-- DML :插入数据
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START TRANSACTION; -- 开始事务
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