ALTER DATABASE dbname CHARACTER SET utf8mb4;
。ALTER DATABASE dbname CHARACTER SET utf8mb4;
。AUTO_INCREMENT
。,,``sql,CREATE TABLE users (, id INT NOT NULL AUTO_INCREMENT,, name VARCHAR(255) NOT NULL,, PRIMARY KEY (id),);,
`,,在这个例子中,
id 列被定义为
AUTO_INCREMENT,这意味着每当插入新记录时,
id` 列将自动递增。Powered By Z-BlogPHP 1.7.3