以图书管理为例
USE Book; //表示使用Book数据库,即在Book数据库中创建表格
CREATE TABLE booksss(
NUM INT, //列名 +数据类型
NAMED VARCHAR(20), //字符类型需要添加数据长度
PRICE DOUBLE,
COUNTS DOUBLE,
STATE INT
);
//INSERT 给表格中插入数据
INSERT INTO booksss(NUM,NAMED,price,COUNTS,state) VALUES(1,'MATH',34,10,0); //插入列名与插入数据一一对应
INSERT INTO booksss(NUM,NAMED,price,COUNTS,state) VALUES(2,'OBO',30,13,1);
INSERT INTO booksss(NUM,NAMED,price,COUNTS,state) VALUES(3,'DER',18,9,0);