什么是数字的最佳数据

Question

早上好，SQL Server中用于数字的最佳数据类型是什么

Answer 1

在此处测试您的数据类型

https://www.tutorialspoint.com/execute_sql_online.php

运行下面的t-sql以获取如下所示的更多数据类型

BEGIN TRANSACTION;

/* Create a table called NAMES */
CREATE TABLE [Customer]
(
  [CustomerKey] [int] IDENTITY(1,1) NOT NULL,

  [Test_Number] [varchar](50) NULL

);

insert into Customer values (1,"25/08/2018");
insert into Customer values (2,15:06:59);
insert into Customer values (3,25.01);
insert into Customer values (4,"GL45R-2");


select * from Customer