摘要:
测试实体类(表结构) public class User { public int user_id { get; set; } public string user_name { get; set; } } public class Book { public int book_id { get; 阅读全文
摘要:
建表语句: CREATE TABLE ts.points ( name VARCHAR (20) NOT NULL, location POINT NOT NULL, description VARCHAR (200) ); 添加记录如下: INSERT INTO Points (name, loc 阅读全文