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[C language] LINQ overview

2022-07-26 10:22:00 【Wenbus】

One ： LINQ What is it? ？

LINQ You can easily query object collections .

LINQ Important characteristics of ：

LINQ Represents language integration query .
LINQ yes .NET Extensions to the framework , It allows us to use SQL Query the data set by querying the database .
LINQ From the database , A collection of program objects and XML Query data in the document .

Two ：LINQ What is a provider ？

LINQ It can work with various types of data sources , such as SQL database ,XML file , wait . However , For each data source type , There must be a basis behind it , This data source type implements LINQ Code module queried . These code modules are called ：LINQ Provider .

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