CodePudding user response:
Procedure is similar to batch process of a bat,It has a certain operation logic and the logic of processing data,
To master it, is more of a practice instance, from the perspective of business requirements,
Not to say that understand that understand the theory, can operate with ease,
Actually procedure in-depth learning, is a function of method calls and the use of logic operation on data,
Simple a few words of the query, isn't it the role of purpose,