> CREATE DATABASE ecommerce;
> CREATE TABLE employees (
id INT NOT NULL,
fname VARCHAR(30),
lname VARCHAR(30),
birth TIMESTAMP,
hired DATE NOT NULL DEFAULT '1970-01-01',
separated DATE NOT NULL DEFAULT '9999-12-31',
job_code INT NOT NULL,
store_id INT NOT NULL
)
partition BY RANGE (store_id) (
partition p0 VALUES LESS THAN (10000),
partition p1 VALUES LESS THAN (50000),
partition p2 VALUES LESS THAN (100000),
partition p3 VALUES LESS THAN (150000),
Partition p4 VALUES LESS THAN MAXVALUE
);
创建存储过程
代码如下
1
> use ecommerce;
> delimiter // delimiter命令来把语句定界符从;变为//,不然后面的存储过程会出错。到declare var int;mysql就停止
> CREATE PROCEDURE BatchInsert(IN init INT, IN loop_time INT)
BEGIN
DECLARE Var INT;
DECLARE ID INT;
SET Var = 0;
SET ID = init;
WHILE Var < loop_time DO
insert into employees(id,fname,lname,birth,hired,separated,job_code,store_id) values(ID,CONCAT('chen',ID),CONCAT('haixiang',ID),Now(),Now(),Now(),1,ID);
SET ID = ID + 1;
SET Var = Var + 1;
END WHILE;
END;
//
> delimiter ;
把定界符变回; 调用存储过程插入数据
代码如下
1
> CALL BatchInsert(30036,200000);
用时:3h 37min 8sec 二、MyISAM存储引擎 创建表
代码如下
1
> use ecommerce;
> CREATE TABLE ecommerce.customer (
id INT NOT NULL,
email VARCHAR(64) NOT NULL,
name VARCHAR(32) NOT NULL,
password VARCHAR(32) NOT NULL,
phone VARCHAR(13),
birth DATE,
sex INT(1),
avatar BLOB,
address VARCHAR(64),
regtime DATETIME,
lastip VARCHAR(15),
modifytime TIMESTAMP NOT NULL,
PRIMARY KEY (id)
)ENGINE = MyISAM ROW_FORMAT = DEFAULT
partition BY RANGE (id) (
partition p0 VALUES LESS THAN (100000),
partition p1 VALUES LESS THAN (500000),
partition p2 VALUES LESS THAN (1000000),
partition p3 VALUES LESS THAN (1500000),
partition p4 VALUES LESS THAN (2000000),
Partition p5 VALUES LESS THAN MAXVALUE
);
创建存储过程
代码如下
1
> use ecommerce;
> DROP PROCEDURE IF EXISTS ecommerce.BatchInsertCustomer;
> delimiter //
> CREATE PROCEDURE BatchInsertCustomer(IN start INT,IN loop_time INT)
BEGIN
DECLARE Var INT;
DECLARE ID INT;
SET Var = 0;
SET ID= start;
WHILE Var < loop_time
DO
insert into customer(ID,email,name,password,phone,birth,sex,avatar,address,regtime,lastip,modifytime)
values(ID,CONCAT(ID,'@sina.com'),CONCAT('name_',rand(ID)*10000 mod 200),123456,13800000000,adddate('1995-01-01',(rand(ID)*36520) mod 3652),Var%2,'http:///it/u=2267714161,58787848&fm=52&gp=0.jpg','北京市海淀区',adddate('1995-01-01',(rand(ID)*36520) mod 3652),'8.8.8.8',adddate('1995-01-01',(rand(ID)*36520) mod 3652));
SET Var = Var + 1;
SET ID= ID + 1;
END WHILE;
END;
//
> delimiter ;
调用存储过程插入数据
代码如下
1
> ALTER TABLE customer DISABLE KEYS;
> CALL BatchInsertCustomer(1,2000000);
> ALTER TABLE customer ENABLE KEYS;
用时:8min 50sec 通过以上对比发现对于插入大量数据时可以使用MyISAM存储引擎,如果再需要修改MySQL存储引擎可以使用命令: ALTER TABLE t ENGINE = MYISAM;
【推荐】编程新体验,更懂你的AI,立即体验豆包MarsCode编程助手
【推荐】凌霞软件回馈社区,博客园 & 1Panel & Halo 联合会员上线
【推荐】抖音旗下AI助手豆包,你的智能百科全书,全免费不限次数
【推荐】博客园社区专享云产品让利特惠,阿里云新客6.5折上折
【推荐】轻量又高性能的 SSH 工具 IShell:AI 加持,快人一步
· Java 中堆内存和栈内存上的数据分布和特点
· 开发中对象命名的一点思考
· .NET Core内存结构体系(Windows环境)底层原理浅谈
· C# 深度学习:对抗生成网络(GAN)训练头像生成模型
· .NET 适配 HarmonyOS 进展
· 本地部署 DeepSeek:小白也能轻松搞定!
· 如何给本地部署的DeepSeek投喂数据,让他更懂你
· 从 Windows Forms 到微服务的经验教训
· 李飞飞的50美金比肩DeepSeek把CEO忽悠瘸了,倒霉的却是程序员
· 超详细,DeepSeek 接入PyCharm实现AI编程!(支持本地部署DeepSeek及官方Dee
2019-10-28 字符串反转(java和js)
2019-10-28 关于RSA汇总
2019-10-28 Base64编码解码(java)
2019-10-28 Base64编码解码(js)