安装MySQL Sample Database

本文安装的示例数据库为官方的Employees Sample Database

操作过程参考其安装部分。

在安装前,MySQL已安装完成,环境为Linux。

克隆github项目:

bash 复制代码
$ git clone https://github.com/datacharmer/test_db.git
Cloning into 'test_db'...
remote: Enumerating objects: 121, done.
remote: Counting objects: 100% (1/1), done.
remote: Total 121 (delta 0), reused 0 (delta 0), pack-reused 120
Receiving objects: 100% (121/121), 74.27 MiB | 14.73 MiB/s, done.
Resolving deltas: 100% (62/62), done.

导入employees数据库:

sql 复制代码
$ mysql --help|grep '\-t,'
  -t, --table         Output in table format.

$ mysql -u root -p -t < employees.sql
Enter password:
+-----------------------------+
| INFO                        |
+-----------------------------+
| CREATING DATABASE STRUCTURE |
+-----------------------------+
+------------------------+
| INFO                   |
+------------------------+
| storage engine: InnoDB |
+------------------------+
+---------------------+
| INFO                |
+---------------------+
| LOADING departments |
+---------------------+
+-------------------+
| INFO              |
+-------------------+
| LOADING employees |
+-------------------+
+------------------+
| INFO             |
+------------------+
| LOADING dept_emp |
+------------------+
+----------------------+
| INFO                 |
+----------------------+
| LOADING dept_manager |
+----------------------+
+----------------+
| INFO           |
+----------------+
| LOADING titles |
+----------------+
+------------------+
| INFO             |
+------------------+
| LOADING salaries |
+------------------+
+---------------------+
| data_load_time_diff |
+---------------------+
| 00:00:36            |
+---------------------+

验证安装,SHA方式。耗时56秒:

sql 复制代码
$ time mysql -u root -p -t < test_employees_sha.sql
Enter password:
+----------------------+
| INFO                 |
+----------------------+
| TESTING INSTALLATION |
+----------------------+
+--------------+------------------+------------------------------------------+
| table_name   | expected_records | expected_crc                             |
+--------------+------------------+------------------------------------------+
| departments  |                9 | 4b315afa0e35ca6649df897b958345bcb3d2b764 |
| dept_emp     |           331603 | d95ab9fe07df0865f592574b3b33b9c741d9fd1b |
| dept_manager |               24 | 9687a7d6f93ca8847388a42a6d8d93982a841c6c |
| employees    |           300024 | 4d4aa689914d8fd41db7e45c2168e7dcb9697359 |
| salaries     |          2844047 | b5a1785c27d75e33a4173aaa22ccf41ebd7d4a9f |
| titles       |           443308 | d12d5f746b88f07e69b9e36675b6067abb01b60e |
+--------------+------------------+------------------------------------------+
+--------------+------------------+------------------------------------------+
| table_name   | found_records    | found_crc                                |
+--------------+------------------+------------------------------------------+
| departments  |                9 | 4b315afa0e35ca6649df897b958345bcb3d2b764 |
| dept_emp     |           331603 | d95ab9fe07df0865f592574b3b33b9c741d9fd1b |
| dept_manager |               24 | 9687a7d6f93ca8847388a42a6d8d93982a841c6c |
| employees    |           300024 | 4d4aa689914d8fd41db7e45c2168e7dcb9697359 |
| salaries     |          2844047 | b5a1785c27d75e33a4173aaa22ccf41ebd7d4a9f |
| titles       |           443308 | d12d5f746b88f07e69b9e36675b6067abb01b60e |
+--------------+------------------+------------------------------------------+
+--------------+---------------+-----------+
| table_name   | records_match | crc_match |
+--------------+---------------+-----------+
| departments  | OK            | ok        |
| dept_emp     | OK            | ok        |
| dept_manager | OK            | ok        |
| employees    | OK            | ok        |
| salaries     | OK            | ok        |
| titles       | OK            | ok        |
+--------------+---------------+-----------+
+------------------+
| computation_time |
+------------------+
| 00:00:55         |
+------------------+
+---------+--------+
| summary | result |
+---------+--------+
| CRC     | OK     |
| count   | OK     |
+---------+--------+

real    0m56.638s
user    0m0.004s
sys     0m0.006s

验证安装,MD5方式。耗时也是56秒:

sql 复制代码
$ time mysql -u root -p -t < test_employees_md5.sql
Enter password:
+----------------------+
| INFO                 |
+----------------------+
| TESTING INSTALLATION |
+----------------------+
+--------------+------------------+----------------------------------+
| table_name   | expected_records | expected_crc                     |
+--------------+------------------+----------------------------------+
| departments  |                9 | d1af5e170d2d1591d776d5638d71fc5f |
| dept_emp     |           331603 | ccf6fe516f990bdaa49713fc478701b7 |
| dept_manager |               24 | 8720e2f0853ac9096b689c14664f847e |
| employees    |           300024 | 4ec56ab5ba37218d187cf6ab09ce1aa1 |
| salaries     |          2844047 | fd220654e95aea1b169624ffe3fca934 |
| titles       |           443308 | bfa016c472df68e70a03facafa1bc0a8 |
+--------------+------------------+----------------------------------+
+--------------+------------------+----------------------------------+
| table_name   | found_records    | found_crc                        |
+--------------+------------------+----------------------------------+
| departments  |                9 | d1af5e170d2d1591d776d5638d71fc5f |
| dept_emp     |           331603 | ccf6fe516f990bdaa49713fc478701b7 |
| dept_manager |               24 | 8720e2f0853ac9096b689c14664f847e |
| employees    |           300024 | 4ec56ab5ba37218d187cf6ab09ce1aa1 |
| salaries     |          2844047 | fd220654e95aea1b169624ffe3fca934 |
| titles       |           443308 | bfa016c472df68e70a03facafa1bc0a8 |
+--------------+------------------+----------------------------------+
+--------------+---------------+-----------+
| table_name   | records_match | crc_match |
+--------------+---------------+-----------+
| departments  | OK            | ok        |
| dept_emp     | OK            | ok        |
| dept_manager | OK            | ok        |
| employees    | OK            | ok        |
| salaries     | OK            | ok        |
| titles       | OK            | ok        |
+--------------+---------------+-----------+
+------------------+
| computation_time |
+------------------+
| 00:00:53         |
+------------------+
+---------+--------+
| summary | result |
+---------+--------+
| CRC     | OK     |
| count   | OK     |
+---------+--------+

real    0m56.638s
user    0m0.007s
sys     0m0.002s

Schema的ER图见这里。感觉和Oracle的HR Sample schema有一点点像。

SQL Developer中可以看到employees库和其中的表:

在SQL Developer中看到的模型:

相关推荐
寺中人4 小时前
MySQL 8.0 Windows 完整安装教程:环境配置、密码重置与常见报错排查
数据库·windows·mysql·环境搭建·mysql 安装
这个DBA有点耶5 小时前
MySQL 8.0执行计划分析利器:EXPLAIN ANALYZE到底比EXPLAIN强在哪?
数据库·mysql·代码规范
数据库小学妹8 小时前
MySQL长事务复盘:Sleep连接、MDL排队与undo滞留
运维·数据库·mysql
计算机毕设定制辅导-无忧学长8 小时前
基于Spring Boot的玄幻小说个性化推荐平台设计与实现
java·vue.js·spring boot·后端·mysql·推荐算法
棣廷10 小时前
初识MySQL——DQL数据查询语言详解
数据库·mysql
ttwuai11 小时前
Go 后台初始化 MySQL 脚本失败怎么办?先查 DDL 还是生成配置
开发语言·mysql·golang
Y38153266221 小时前
MySQL 慢查询排查实战:EXPLAIN 看懂 type 与 Extra,一个字段定位性能问题
数据库·mysql
数据库小学妹1 天前
为什么MySQL索引用B+树?从存储底层讲透原理
数据库·mysql·b+树·索引优化·磁盘io·数据库原理
ly76891 天前
MySQL 自增主键耗尽:从原理到应急恢复
数据库·mysql·innodb·故障恢复·自增主键·主键设计
文人sec1 天前
MySQL主库出问题了,从库怎么办?备库为什么会延迟好几个小时?
android·数据库·mysql