php - Entering SQL statements to create a table prompts the error Unknown column

Question

The mysql software used: Navicat

The complete sql statement is as follows:

INSERT INTO `xz_user` ( `id`, `username`, `age`, `address`, `sex`) VALUES (00000000001, '张三', 20, 'shanghai', '男');
INSERT INTO `xz_user` ( `id`, `username`, `age`, `address`, `sex`) VALUES (00000000002, '李四', 18, 'beijing', '女');
INSERT INTO `xz_user` ( `id`, `username`, `age`, `address`, `sex`) VALUES (00000000003, '王二', 24, 'shenzhen', '男');

Answer 1

Try
DESCRIBE xz_user to see if there is this class column.

Answer 2

Unknown fieldclassThe prompt is very obvious