

CodePudding user response:
What is the 100 uniform concept, percentage?CodePudding user response:
Tests should be the window function NTILE () are familiar with,Don't write specific code, because I don't know if you are still in the test, you are interested in when you know the test over again his books on the Internet.
CodePudding user response:
Decile is accounted for,,
CodePudding user response: