mysql如何插入行

INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);

INSERT INTO students (id, name, age, grade)
VALUES (1, 'Alice', 20, 'A');

INSERT INTO students (id, name, age, grade)
VALUES 
(2, 'Bob', 22, 'B'),
(3, 'Charlie', 21, 'A');

INSERT INTO students (id, name, age, grade)
VALUES (1, 'Alice', 20, 'A')
ON DUPLICATE KEY UPDATE name='Alice', age=20, grade='A';