MySQL按照月份对2年的记录进行范围分区

在MySQL中，可以按照月份对2年的记录进行范围分区。下面是一个示例代码，演示了如何使用范围分区按照月份对2年的记录进行分区：

-- 创建分区表
CREATE TABLE my_table (
    id INT,
    create_date DATE
) PARTITION BY RANGE (YEAR(create_date) * 100 + MONTH(create_date)) (
    PARTITION p201901 VALUES LESS THAN (201902),
    PARTITION p201902 VALUES LESS THAN (201903),
    PARTITION p201903 VALUES LESS THAN (201904),
    PARTITION p201904 VALUES LESS THAN (201905),
    PARTITION p201905 VALUES LESS THAN (201906),
    PARTITION p201906 VALUES LESS THAN (201907),
    PARTITION p201907 VALUES LESS THAN (201908),
    PARTITION p201908 VALUES LESS THAN (201909),
    PARTITION p201909 VALUES LESS THAN (201910),
    PARTITION p201910 VALUES LESS THAN (201911),
    PARTITION p201911 VALUES LESS THAN (201912),
    PARTITION p201912 VALUES LESS THAN (202001),
    PARTITION p202001 VALUES LESS THAN (202002),
    PARTITION p202002 VALUES LESS THAN (202003),
    PARTITION p202003 VALUES LESS THAN (202004),
    PARTITION p202004 VALUES LESS THAN (202005),
    PARTITION p202005 VALUES LESS THAN (202006),
    PARTITION p202006 VALUES LESS THAN (202007),
    PARTITION p202007 VALUES LESS THAN (202008),
    PARTITION p202008 VALUES LESS THAN (202009),
    PARTITION p202009 VALUES LESS THAN (202010),
    PARTITION p202010 VALUES LESS THAN (202011),
    PARTITION p202011 VALUES LESS THAN (202012),
    PARTITION p202012 VALUES LESS THAN (202101)
);

-- 插入数据
INSERT INTO my_table (id, create_date) VALUES
(1, '2019-01-01'),
(2, '2019-02-01'),
(3, '2019-03-01'),
(4, '2019-04-01'),
(5, '2019-05-01'),
(6, '2020-01-01'),
(7, '2020-02-01'),
(8, '2020-03-01'),
(9, '2020-04-01'),
(10, '2020-05-01');

-- 查询数据
SELECT * FROM my_table;

在上面的示例中，我们创建了一个名为my_table的表，并按照月份对2年的记录进行了范围分区。每个分区代表一个月份范围。然后我们插入了一些数据，并使用SELECT语句查询了数据。

请注意，上述示例仅简单演示了如何进行范围分区，并不能满足所有情况下的需求。在实际应用中，您可能需要根据具体的需求进行调整和优化。