大佬们请问这个语句为什么没有报错呀

2023-02-22 18:00:18 176 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

ego-planner启动参数深度解析：从配置到实战避障应用本文深入解析EGO-Planner启动参数的配置与实战应用，重点探讨无人机自主导航中的避障性能优化。通过环境感知、运动约束和算法控制三类参数的详细说明，结合ROS和RViz工具，提供从基础配置到高级调优的完整指南，帮助开发者提升无人机在复杂场景下的规划效率和安全性。阅读详情

--drop TABLE if exists TABLE Person;

CREATE TABLE Person (
   Area varchar(50),
   Salary INT,
   Name varchar(50),
   Month INT
);

INSERT INTO Person VALUES ('华南', 2200, '张三', 3);
INSERT INTO Person VALUES ('华北', 2300, '李四', 5);
INSERT INTO Person VALUES ('华南', 2500, '王五', 7);
INSERT INTO Person VALUES ('华西', 2600, '赵六', 1);
INSERT INTO Person VALUES ('华东', 3200, '李毅', 2);
INSERT INTO Person VALUES ('华东', 3300, '色色', 3);
INSERT INTO Person VALUES ('华北', 3400, '李四', 3);
INSERT INTO Person VALUES ('华南', 2250, '张三', 8);
INSERT INTO Person VALUES ('华东', 2800, '李毅', 9);
INSERT INTO Person VALUES ('华西', 3054, '赵六', 12);
INSERT INTO Person VALUES ('华北', 3300, '威威', 11);

--SELECT * FROM Person;
select Area,max(Salary) as Salary,Name
from (
select Area,avg(Salary) as Salary,Name from Person group by Area,Name) as a
group by Area

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