CREATE TABLE orders ( order_id INT NOT NULL AUTO_INCREMENT, order_date DATE NOT NULL, customer_id INT NOT NULL, total_amount DECIMAL(10,2), PRIMARY KEY (order_id, order_date) ) PARTITION BY RANGE COLUMNS(order_date) ( PARTITION p202201 VALUES LESS THAN ('2022-02-01'), PARTITION p20...
1.分区的字段必须主键其中之一; ALTER TABLE zj_node_price ADD PRIMARY KEY (id,data_date); ALTER TABLE zj_node_price ADD INDEX u_data_date (data_date) alter table zj_node_price partition by range COLUMNS(data_date) ( partition p20241101 values less than ('2024-11-01'), partition p2024...
CREATETABLEsales(idINT,nameVARCHAR(50),dateDATE)PARTITIONBYRANGE(YEAR(date))(PARTITIONp0VALUESLESS THAN(2010),PARTITIONp1VALUESLESS THAN(2020),PARTITIONp2VALUESLESS THAN(2030)); 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 在上述示例中,根据date列的年份进行了分区。sales表被分成了三个分区,分...
PRIMARYKEY(log_id,log_date))PARTITIONBYRANGE(YEAR(log_date))(PARTITIONp0VALUESLESS THAN(2021),PARTITIONp1VALUESLESS THAN(2022),PARTITIONp2VALUESLESS THAN(2023),PARTITIONp3VALUESLESS THAN(2024),PARTITIONp4VALUESLESS THAN MAXVALUE);
create table foo_key (empno varchar(20) not null , empname varchar(20), deptno int, birthdate date not null, salary int ) partition by key(birthdate) partitions 4; (5)复合分区: 子分区是针对 RANGE/LIST 类型的分区表中每个分区的再次分割。子分区可以是 HASH/KEY 等类型。
MySQL可以通过使用分区表的方式按日期进行分区。下面是一种按日期分区表的方法: 创建一个新表,包含要进行分区的列和其他需要的列。 CREATE TABLE my_table ( id INT, date_column DATE, other_column VARCHAR(255), ... ) PARTITION BY RANGE(TO_DAYS(date_column)); 复制代码 创建分区 ALTER TABLE my_...
出现这个错误可能是因为这个目录已经被其他mysql分区占用了, 分区路径不能是mysql当前的数据路径。 如果给分区指定路径,最好独立于mysql数据文件路径 mysql官方文档,分区资料很全面,可以作为参考 原文链接:http://outofmemory.cn/mysql/mysql-partition-by-date...
Partitioning by DatePosted by: Christian Starka Date: November 10, 2006 01:19AM I want to use partitioning by range, based on a TIMESTAMP(14) column, using the year-function. But when explaining the query, i can see: - always all partitions involved, independently from the year-range...
birthdatedate, salaryint ) partition by range(salary) ( partition p1 values less than (1000), partition p2 values less than (2000), partition p3 values less than maxvalue ); 以员工工资为依据做范围分区。 create table emp (empnovarchar(20) not null , ...
c3 date default NULL ) engine=myisam PARTITION BY RANGE (year(c3)) (PARTITION p0 VALUES LESS THAN (1995), PARTITION p1 VALUES LESS THAN (1996) , PARTITION p2 VALUES LESS THAN (1997) , PARTITION p3 VALUES LESS THAN (1998) , PARTITION p4 VALUES LESS THAN (1999) , ...