MySQL官方示例数据库的使用

官网介绍：https://dev.mysql.com/doc/index-other.html

mysql官网提供了如下示例数据库：

其中最常用的数据库为employee data和sakila。

下面以employee为例展示怎么导入这个数据库。

1、下载数据库脚本，下载地址：https://github.com/datacharmer/test_db

2、将压缩包解压，这里是使用的docker，所以还需要复制到docker容器中：

# docker cp /mnt/d/360极速浏览器下载/test_db-master.zip mysql:/usr/local
# docker exec -it mysql bash
# cd /usr/local/
# apt-get update
# apt-get install unzip
# unzip test_db-master.zip

3、导入数据库

# cd test_db-master
# mysql < employees.sql -uroot -proot
mysql: [Warning] Using a password on the command line interface can be insecure.
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
00:02:57

4、校验数据，可以使用test_employees_sha.sql
和test_employees_md5.sql
校验（这一步可以忽略）：

# time mysql -t < test_employees_sha.sql -uroot -proot
mysql: [Warning] Using a password on the command line interface can be insecure.
+----------------------+
| 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 |
+------------------+
| 00:03:58         |
+------------------+
+---------+--------+
| summary | result |
+---------+--------+
| CRC     | OK     |
| count   | OK     |
+---------+--------+

real    3m58.321s
user    0m0.026s
sys     0m0.000s

# time mysql -t < test_employees_md5.sql -uroot -proot
mysql: [Warning] Using a password on the command line interface can be insecure.
+----------------------+
| 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 |
+------------------+
| 00:03:26         |
+------------------+
+---------+--------+
| summary | result |
+---------+--------+
| CRC     | OK     |
| count   | OK     |
+---------+--------+

real    3m26.634s
user    0m0.022s
sys     0m0.000s

最后附上这些表的结构：

最后

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