20 lines
479 B
Plaintext
20 lines
479 B
Plaintext
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-- 创建表 书籍表
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CREATE TABLE t_book(
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id INT,
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name VARCHAR(30),
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author VARCHAR(10),
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price DOUBLE
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)
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select * from t_book;
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insert into t_book(id, name, author, price) values (1, "项目驱动零起点学java", "马士兵、赵珊珊", 69.8);
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insert into t_book(id, name, author, price) values (2, "活着", "余华", 45);
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DELETE FROM t_book WHERE id=2;
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UPDATE t_book set price=36.6 WHERE id=1;
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SELECT name, author FROM t_book;
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SELECT * FROM t_book WHERE price > 40;
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