Article 姚 鑫 · Mar 22, 2023 25m read

Brief

What is Query

Query is a method for finding data that meets the conditions and presenting the results as a data set.

Type of Query

  • SQL Query,Using %SQLQuery and SQL SELECT.
  • Custom Query,Using Class %Query and custom logic to generate result.

Note: Before we talk about the general Query solution, let's first understand the basics of Query to help understand the implementation principles. If you already know the basic use of Query, please skip this section and go straight to "Challenges".

Query Basics

SQL Query Basics

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