Want to learn pure custom data selection, extraction, such as reporting, but don't understand a bit about this aspect, there are willing to teach me?

CodePudding user response:

Data and report is relatively independent, that's all

CodePudding user response:

Nurturing junior is a virtue, I'd like to, ^_^

CodePudding user response:

Data and statements belong to two parts, you use SQL processing data, after the report is only used for displaying background processing results,