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#建库、建表、添加数据CREATE DATABASE chapter06;USE chapter06;CREATE TABLE account( id INT primary key auto_increment, name VARCHAR(40), money FLOAT); INSERT INT 阅读全文
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5.1 外键 #建库CREATE DATABASE chapter05; #建表USE chapter05; CREATE TABLE grade( id int(4) NOT NULL PRIMARY KEY, name varchar(36) ); CREATE TABLE student( s 阅读全文
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【例7-1】#建库CREATE DATABASE chapter07;#建表USE chapter07;CREATE TABLE student( s_id INT(3), name VARCHAR(20), math FLOAT, chinese FLOAT);#添加数据INSERT INTO s 阅读全文