Pewlett-Hackard-Analysis_-master.zip （18个子文件） 
Pewlett-Hackard-Analysis.-master 
EmployeeDB.png 52KB
schema.sql 1KB Challenge Examples mentors.PNG 50KB titles_retiring.PNG 42KB titles_retiring_frequency.PNG 20KB Queries challenge.sql 847B Data mentors.csv 87KB titles_retiring_frequency.csv 228B titles_retiring.csv 21.28MB
Schema-QUICKDB.txt 596B README.md 2KB Data departments.csv 210B retirement_info.csv 621KB titles.csv 19.43MB salaries.csv 9.93MB dept_emp.csv 12.55MB dept_manager.csv 1000B employees.csv 16.04MB资源评论
