请帮忙解读一下这个mssql脚本每句的含义以及整个脚本的用法

2012-02-28 04:49:32 147 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

别再自己写消息提示了！5分钟用WPF+Material Design打造专业级Snackbar（支持.NET 6）本文为WPF开发者提供了一份快速集成专业级Snackbar消息提示的实战指南。通过引入MaterialDesignThemes开源库，在.NET 6 WPF项目中，仅需5分钟即可告别传统的MessageBox，实现遵循Material Design规范、动画流畅、支持队列管理的非侵入式Snackbar控件，显著提升应用的用户体验与现代化交互水平。阅读详情

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[AutoDuty]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[AutoDuty]
GO

CREATE TABLE [dbo].[AutoDuty] (
[ID] [int] IDENTITY (1, 1) NOT NULL ,
[AutoType] [char] (10) COLLATE Chinese_PRC_CI_AS NULL ,
[AutoContent] [nvarchar] (60) COLLATE Chinese_PRC_CI_AS NOT NULL ,
[RTime] [datetime] NOT NULL ,
[OTime] [datetime] NULL ,
[IsOk] [int] NOT NULL ,
[Notes] [nvarchar] (50) COLLATE Chinese_PRC_CI_AS NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[AutoDuty] WITH NOCHECK ADD
CONSTRAINT [PK_AutoNotice] PRIMARY KEY CLUSTERED
(
[ID]
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[AutoDuty] ADD
CONSTRAINT [DF_AutoDuty_AutoType] DEFAULT ('喊话') FOR [AutoType],
CONSTRAINT [DF_AutoNotice_RTime] DEFAULT (getdate()) FOR [RTime],
CONSTRAINT [DF_AutoNotice_IsOk] DEFAULT (0) FOR [IsOk]
GO

if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[AutoSystem]') and OBJECTPROPERTY(id, N'IsUserTable') = 1)
drop table [dbo].[AutoSystem]
GO

CREATE TABLE [dbo].[AutoSystem] (
[AutoOpen] [int] NOT NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[AutoSystem] ADD
CONSTRAINT [DF_AutoSystem_AutoOpen] DEFAULT (0) FOR [AutoOpen]
GO

insert into AutoSystem ([AutoOpen]) values ('1')

...全文