数据库练习一:安装Employees 测试数据库
2018-06-13 本文已影响109人
蓝汝丶琪
介绍
- Employees Sample Database 是官方自带的数据库。里面有几百万条数据。
- 所以我就借用该数据库进行SQL语句的练习以及对数据库的优化
表结构图
image.png image.png安装数据库
- git 下载地址。
- 进入到项目
- 输入该命令,导入employees.sql文件
mysql -u root -p < employees.sql
- 验证是否成功
mysql -u root -p < test_employees_md5.sql
INFO
TESTING INSTALLATION
table_name expected_records expected_crc
employees 300024 4ec56ab5ba37218d187cf6ab09ce1aa1
departments 9 d1af5e170d2d1591d776d5638d71fc5f
dept_manager 24 8720e2f0853ac9096b689c14664f847e
dept_emp 331603 ccf6fe516f990bdaa49713fc478701b7
titles 443308 bfa016c472df68e70a03facafa1bc0a8
salaries 2844047 fd220654e95aea1b169624ffe3fca934
table_name found_records found_crc
employees 300024 4ec56ab5ba37218d187cf6ab09ce1aa1
departments 9 d1af5e170d2d1591d776d5638d71fc5f
dept_manager 24 8720e2f0853ac9096b689c14664f847e
dept_emp 331603 ccf6fe516f990bdaa49713fc478701b7
titles 443308 bfa016c472df68e70a03facafa1bc0a8
salaries 2844047 fd220654e95aea1b169624ffe3fca934
table_name records_match crc_match
employees OK ok
departments OK ok
dept_manager OK ok
dept_emp OK ok
titles OK ok
salaries OK ok
computation_time
00:00:13
summary result
CRC OK
count OK
则导入成功,可以开始玩了。