Question

对于sql来说很新，

我正在尝试创建表，但找不到为什么我使用的语法不起作用

   CREATE TABLE customer (
    cust-id INT AUTO_INCREMENT  NOT NULL, 
    first-name VARCHAR (20) NOT NULL,
    last-name VARCHAR (20) NOT NULL, 
    address VARCHAR(20) NOT NULL,
    phone VARCHAR(20) NOT NULL
    PRIMARY KEY(cust-id)
  );

我收到的错误消息是 ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-id INT AUTO_INCREMENT NOT NULL, first-name VARCHAR(20) NOT NULL, last-name VA' at line 2

Answer 1

-不允许以这种形式出现，并且yoz在主键之前缺少逗号

您的创建表可能看起来像

   CREATE TABLE customer (
    `cust-id` INT AUTO_INCREMENT  NOT NULL, 
    `first-name` VARCHAR (20) NOT NULL,
    `last-name` VARCHAR (20) NOT NULL, 
    address VARCHAR(20) NOT NULL,
    phone VARCHAR(20) NOT NULL,
    PRIMARY KEY(`cust-id`)
  );

或者您将经典__用作列名，例如 cust_id 等

Answer 2

您可以尝试这样：

CREATE TABLE customer (
cust_id INT AUTO_INCREMENT  NOT NULL, 
first_name VARCHAR (20) NOT NULL,
last_name VARCHAR (20) NOT NULL, 
address VARCHAR(20) NOT NULL,
phone VARCHAR(20) NOT NULL,
PRIMARY KEY(cust_id)
);

为什么在尝试创建新表mysql时出现此错误？

2 个答案: