解释一下：CREATE TABLE dbo.OrderNumbers ( OrderNumberID INT IDENTITY(1,1) NOT NULL PRIMARY KEY, OrderNumber VARCHAR(20) NOT NULL, OrderDate DATE NOT NULL ) DECLARE @OrderDate DATE = GETDATE() DECLARE @OrderNumber VARCHAR(20) SET @OrderNumber = 'ORD-' + CONVERT(VARCHAR(10), @OrderDate, 112) + '-' + RIGHT('0000' + CONVERT(VARCHAR(4), IDENT_CURRENT('dbo.OrderNumbers') + 1), 4) INSERT INTO dbo.OrderNumbers (OrderNumber, OrderDate) VALUES (@OrderNumber, @OrderDate) SELECT @OrderNumber AS OrderNumber

2021最新高校/大学名称sql文件 dbo.BasicSchools1.Table full

全国高校名称数据整理，辛苦了两天多，用起来就是顺，敬请收藏，希望能帮到你们，Schools sql文件

dbo.Employees.Table.sql

CREATE TABLE dbo.Orders ( orderid INT NOT NULL, empid INT custid VARCHAR(10) NOT NULL, orderts DATETIME NOT NULL, qty INT NOT NULL, CONSTRAINT PK_Orders PRIMARY KEY(OrderID) );在 empid 列上定义一个外码约束，让它指向 employees 表的 empid 列 --将字段 qty 改为 numbers

ALTER TABLE dbo.Orders ADD CONSTRAINT FK_Orders_Employees_empid FOREIGN KEY (empid) REFERENCES dbo.Employees(empid); 这将在 dbo.Orders 表中创建一个名为 FK_Orders_Employees_empid 的外键约束，该...

C# 请将下列表用linq按照ServiceDate,ServiceBranchCode,ClueID,ProjectType,ServiceProjectTemplateID分组并计算ServiceCount，SaleAmount总和 CREATE TABLE dbo.ReportConsultantAchievementDetail( ID int IDENTITY(1,1) NOT NULL, CreatedBy varchar(16) NOT NULL, CreatedDate datetime NOT NULL, ModifiedBy varchar(16) NOT NULL, ModifiedDate datetime NOT NULL, HasDeleted bit NOT NULL, OrderCode varchar(20) NOT NULL, BranchCode varchar(16) NOT NULL, ServiceDate datetime NOT NULL, ClueID int NOT NULL, ServiceProjectTemplateID int NOT NULL, CustName nvarchar(32) NOT NULL, ItemCode varchar(16) NOT NULL, ItemName nvarchar(32) NOT NULL, ItemClass varchar(2) NOT NULL, IsCooperation int NOT NULL, CooperationName nvarchar(32) NOT NULL, ProjectType int NOT NULL, Source int NOT NULL, SourceID int NOT NULL, ServiceCount decimal(18,2) NOT NULL, OriginalAmount decimal(18,2) NOT NULL, Discount decimal(18,2) NOT NULL, SaleAmount decimal(18,2) NOT NULL, ConsultantUserCode varchar(16) NOT NULL, ServiceBranchName nvarchar(16) NOT NULL, ServiceBranchCode varchar(16) NOT NULL, Remark nvarchar(300) NULL, ExamineStatus int NOT NULL, ExamineTime datetime NULL, ExamineBy varchar(16) NULL )

ServiceProjectTemplateID = g.Key.ServiceProjectTemplateID, ServiceCount = g.Sum(x => x.ServiceCount), SaleAmount = g.Sum(x => x.SaleAmount) }; 需要注意的是，在使用 LINQ 进行分组和聚合操作时...

C# 请将下列表用lambda按照ServiceDate,ServiceBranchCode,ClueID,ProjectType,ServiceProjectTemplateID分组并计算ServiceCount，SaleAmount总和 CREATE TABLE dbo.ReportConsultantAchievementDetail( ID int IDENTITY(1,1) NOT NULL, CreatedBy varchar(16) NOT NULL, CreatedDate datetime NOT NULL, ModifiedBy varchar(16) NOT NULL, ModifiedDate datetime NOT NULL, HasDeleted bit NOT NULL, OrderCode varchar(20) NOT NULL, BranchCode varchar(16) NOT NULL, ServiceDate datetime NOT NULL, ClueID int NOT NULL, ServiceProjectTemplateID int NOT NULL, CustName nvarchar(32) NOT NULL, ItemCode varchar(16) NOT NULL, ItemName nvarchar(32) NOT NULL, ItemClass varchar(2) NOT NULL, IsCooperation int NOT NULL, CooperationName nvarchar(32) NOT NULL, ProjectType int NOT NULL, Source int NOT NULL, SourceID int NOT NULL, ServiceCount decimal(18,2) NOT NULL, OriginalAmount decimal(18,2) NOT NULL, Discount decimal(18,2) NOT NULL, SaleAmount decimal(18,2) NOT NULL, ConsultantUserCode varchar(16) NOT NULL, ServiceBranchName nvarchar(16) NOT NULL, ServiceBranchCode varchar(16) NOT NULL, Remark nvarchar(300) NULL, ExamineStatus int NOT NULL, ExamineTime datetime NULL, ExamineBy varchar(16) NULL )

ServiceProjectTemplateID = g.Key.ServiceProjectTemplateID, ServiceCount = g.Sum(x => x.ServiceCount), SaleAmount = g.Sum(x => x.SaleAmount) }); 需要注意的是，在使用 Lambda 表达式进行分组和...

C# 请将下列表用lambda按照ServiceDate,ServiceBranchCode,ClueID,ProjectType,ServiceProjectTemplateID分组并计算ServiceCount，SaleAmount总和，并查出该表所有字段的数据 CREATE TABLE dbo.ReportConsultantAchievementDetail( ID int IDENTITY(1,1) NOT NULL, CreatedBy varchar(16) NOT NULL, CreatedDate datetime NOT NULL, ModifiedBy varchar(16) NOT NULL, ModifiedDate datetime NOT NULL, HasDeleted bit NOT NULL, OrderCode varchar(20) NOT NULL, BranchCode varchar(16) NOT NULL, ServiceDate datetime NOT NULL, ClueID int NOT NULL, ServiceProjectTemplateID int NOT NULL, CustName nvarchar(32) NOT NULL, ItemCode varchar(16) NOT NULL, ItemName nvarchar(32) NOT NULL, ItemClass varchar(2) NOT NULL, IsCooperation int NOT NULL, CooperationName nvarchar(32) NOT NULL, ProjectType int NOT NULL, Source int NOT NULL, SourceID int NOT NULL, ServiceCount decimal(18,2) NOT NULL, OriginalAmount decimal(18,2) NOT NULL, Discount decimal(18,2) NOT NULL, SaleAmount decimal(18,2) NOT NULL, ConsultantUserCode varchar(16) NOT NULL, ServiceBranchName nvarchar(16) NOT NULL, ServiceBranchCode varchar(16) NOT NULL, Remark nvarchar(300) NULL, ExamineStatus int NOT NULL, ExamineTime datetime NULL, ExamineBy varchar(16) NULL )

group.Key.ServiceDate, group.Key.ServiceBranchCode, group.Key.ClueID, group.Key.ProjectType, group.Key.ServiceProjectTemplateID, ServiceCount = group.Sum(x => x.ServiceCount), SaleAmount = ...

CREATE TABLE Users ( Id INT IDENTITY(1,1) PRIMARY KEY COMMENT '主键', FirstName NVARCHAR(50) NOT NULL COMMENT '用户名', LastName NVARCHAR(50) NOT NULL COMMENT '上一次用户名', Email NVARCHAR(100) NOT NULL UNIQUE COMMENT '邮箱', Password NVARCHAR(100) NOT NULL COMMENT '密码', DepartmentId INT NOT NULL FOREIGN KEY REFERENCES Departments(Id) COMMENT '所属部门' ) COMMENT '用户表';这样对吗

在 SQL Server 中，CREATE TABLE 语句不支持 COMMENT 关键字。因此，上面的语句是无法执行的。要为表和表中的列添加注释，可以使用 sp_addextendedproperty 存储过程，具体步骤如下： 1. 创建表时，不需要使用 ...

解释下面的SQL代码：CREATE TABLE [dbo].[T_BAS_ASSISTANTDATA_L] ( [FPKID] varchar(36) COLLATE Chinese_PRC_CI_AS DEFAULT (' ') NOT NULL, [FID] varchar(36) COLLATE Chinese_PRC_CI_AS DEFAULT (' ') NOT NULL, [FLOCALEID] int DEFAULT ((2052)) NOT NULL, [FNAME] nvarchar(255) COLLATE Chinese_PRC_CI_AS DEFAULT (' ') NOT NULL, [FDESCRIPTION] nvarchar(255) COLLATE Chinese_PRC_CI_AS DEFAULT (' ') NOT NULL, CONSTRAINT [pk_bas_assistantdata_l] PRIMARY KEY CLUSTERED ([FPKID]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO ALTER TABLE [dbo].[T_BAS_ASSISTANTDATA_L] SET (LOCK_ESCALATION = TABLE) GO CREATE UNIQUE NONCLUSTERED INDEX [IDX_BAS_ASSISTANTDATA_L] ON [dbo].[T_BAS_ASSISTANTDATA_L] ( [FID] ASC, [FLOCALEID] ASC )

其中，FPKID和FID字段为varchar(36)类型，FLOCALEID字段为int类型，FNAME和FDESCRIPTION字段为nvarchar(255)类型。该表的主键为FPKID字段，使用聚集索引进行存储。同时，该表还创建了一个名为IDX_BAS_...

USE [warehouse] GO / Object: Table [dbo].[库存] Script Date: 2023/5/30 9:34:18 / SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[库存]( [货物编号] [char](5) NOT NULL, [仓库编号] [char](5) NOT NULL, [库存量] [int] NULL, PRIMARY KEY CLUSTERED ( [货物编号] ASC, [仓库编号] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, OPTIMIZE_FOR_SEQUENTIAL_KEY = OFF) ON [PRIMARY] ) ON [PRIMARY] GO ALTER TABLE [dbo].[库存] ADD DEFAULT ((0)) FOR [库存量] GO ALTER TABLE [dbo].[库存] WITH CHECK ADD FOREIGN KEY([仓库编号]) REFERENCES [dbo].[仓库] ([仓库编号]) GO 如何分辨这个表中的主键和外键

ALTER TABLE [dbo].[库存] WITH CHECK ADD FOREIGN KEY([仓库编号]) REFERENCES [dbo].[仓库] ([仓库编号]) 其中，WITH CHECK 用于指定在添加外键约束时检查是否所有的行都满足约束条件，如果不满足则不允许...

USE [lichangtong] GO / Object: Table [dbo].[SC] Script Date: 06/07/2023 15:32:52 / SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[SC]( [Sno] [char](9) NOT NULL, [Cno] [char](4) NOT NULL, [Grade] [smallint] NULL, PRIMARY KEY CLUSTERED ( [Sno] ASC, [Cno] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO SET ANSI_PADDING OFF GO ALTER TABLE [dbo].[SC] WITH CHECK ADD FOREIGN KEY([Cno]) REFERENCES [dbo].[Course] ([Cno]) GO ALTER TABLE [dbo].[SC] WITH CHECK ADD FOREIGN KEY([Sno]) REFERENCES [dbo].[Student] ([Sno]) GO

这是一个 SQL Server 数据库中的一段代码，用于创建一个名为 SC 的表。该表包含三个列：Sno、Cno 和 Grade。其中Sno和Cno均为字符类型，且都是非空的。Grade列是一个小整数类型，可以为空。表的主键是Sno和Cno的组合...

CREATE TABLE [dbo].[Attachments] ( [AttachId] int IDENTITY(1,1) NOT NULL, [AskId] int NULL, [FileName] varchar(500) COLLATE Chinese_PRC_CI_AS NULL, [DiskFileName] varchar(500) COLLATE Chinese_PRC_CI_AS NULL, [FileSize] int NULL, [ContentType] varchar(500) COLLATE Chinese_PRC_CI_AS NULL, [DiskDirectory] varchar(500) COLLATE Chinese_PRC_CI_AS NULL, CONSTRAINT [PK_Attachments] PRIMARY KEY CLUSTERED ([AttachId]) WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) 转mysql

AttachId int(11) NOT NULL AUTO_INCREMENT, AskId int(11) DEFAULT NULL, FileName varchar(500) COLLATE utf8mb4_unicode_ci DEFAULT NULL, DiskFileName varchar(500) COLLATE utf8mb4_unicode_ci ...

SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[access_token]( [token_id] [int] IDENTITY(1,1) NOT NULL, [token] [nvarchar](64) NULL, [info] [nvarchar](max) NULL, [maxage] [int] NOT NULL, [create_time] [datetime2](7) NOT NULL, [update_time] [datetime2](7) NOT NULL, [user_id] [int] NOT NULL, PRIMARY KEY CLUSTERED ( [token_id] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY] GO

- create_time：令牌的创建时间。 - update_time：令牌的更新时间。 - user_id：用户 ID，与该令牌相关联。该表的主键为 token_id，使用了聚集索引，数据存储在 PRIMARY 文件组中。TEXTIMAGE_ON [PRIMARY] 表示将 ...

CREATE TABLE [dbo].[Inout]( [ID] [int] IDENTITY(1,1) NOT NULL, [LableID] [varchar](50) NULL, [InOutArea] [varchar](50) NULL, [Realtime] [datetime] NULL, CONSTRAINT [PK_Inout] PRIMARY KEY CLUSTERED ( [ID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY]

ID INT AUTO_INCREMENT NOT NULL, LableID VARCHAR(50) DEFAULT NULL, InOutArea VARCHAR(50) DEFAULT NULL, Realtime DATETIME DEFAULT NULL, PRIMARY KEY (ID) ) ENGINE=InnoDB DEFAULT CHARSET=...

USE [lichangtong] GO / Object: Table [dbo].[Course] Script Date: 06/07/2023 15:17:01 / SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[Course]( [Cno] [char](4) NOT NULL, [Cname] [char](40) NULL, [Cpno] [char](4) NULL, [Ccreadit] [smallint] NULL, PRIMARY KEY CLUSTERED ( [Cno] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO SET ANSI_PADDING OFF GO ALTER TABLE [dbo].[Course] WITH CHECK ADD CONSTRAINT [FK_Course_Course] FOREIGN KEY([Cpno]) REFERENCES [dbo].[Course] ([Cno]) GO ALTER TABLE [dbo].[Course] CHECK CONSTRAINT [FK_Course_Course] GO

这是一个SQL Server数据库中的一段代码，它创建了一个名为"Course"的表，包含了Cno、Cname、Cpno和Ccredit四个列。其中Cno是主键，不为空；Cname、Cpno和Ccredit都可以为空。另外，该代码中还定义了一个外键约束，将...

CREATE TABLE [dbo].练习任务答题记录( 自动编号 INT PRIMARY KEY IDENTITY(1,1), 练习任务标题编号 INT, 练习任务试题编号 INT, [唯一] [VARCHAR](50) NULL, [工号] VARCHAR(8) NULL, 用户答案 CHAR(2) NULL , 创建日期 DATETIME ) ON [PRIMARY] 在Sql Server中，我想让[创建日期]，不指定值时，自动获取当前时间

[自动编号] INT PRIMARY KEY IDENTITY(1,1), [练习任务标题编号] INT, [练习任务试题编号] INT, [唯一] VARCHAR(50) NULL, [工号] VARCHAR(8) NULL, [用户答案] CHAR(2) NULL, [创建日期] DATETIME DEFAULT ...

SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[GGGroup]( [GroupID] [varchar](20) NOT NULL, [Name] [nvarchar](20) NOT NULL, [CreatorID] [varchar](20) NOT NULL, [Announce] [nvarchar](200) NOT NULL, [Members] [nvarchar](4000) NOT NULL, [CreateTime] [datetime] NOT NULL, [IsPrivate] [bit] NOT NULL, [Version] [int] NOT NULL, CONSTRAINT [PK_GGGroup] PRIMARY KEY CLUSTERED ( [GroupID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] GO SET ANSI_PADDING OFF GO

这段代码为创建一个名为GGGroup的SQL Server表，表中包含...IsPrivate列表示群组是否为私有，0表示公开，1表示私有。最后，代码设置了GGGroup表的主键为GroupID列，以及设置了一些表的属性（如是否允许行锁、页锁等）。

SELECT SUM(ISNULL(COU.CoursePrice, 0)) AS aa FROM hrflagwxsp.dbo.CourseInfo COU WITH(NOLOCK) JOIN dbo.OrderListInfo ORD ON ORD.CourseInfoId=COU.CourseId WHERE COU.IsDelete=0 AND ORD.IsDelete=0 AND ORD.PayTime<>'1900-01-01 00:00:00.000' 返回null怎么办

如果查询返回的结果为 NULL，则表示在 hrflagwxsp.dbo.CourseInfo 和 dbo.OrderListInfo 表中没有符合条件的记录。您可以确认是否有数据符合查询条件，也可以尝试修改查询条件以便返回更多的数据。另外，您还可以...

GO SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[GGUser]( [UserID] [varchar](50) NOT NULL, [PasswordMD5] [varchar](100) NOT NULL, [Phone] [varchar](20) NOT NULL, [Name] [nvarchar](50) NOT NULL, [Friends] [nvarchar](4000) NOT NULL, [CommentNames] [nvarchar](max) NOT NULL, [OrgID] [nvarchar](20) NOT NULL, [Signature] [nvarchar](100) NOT NULL, [HeadImageIndex] [int] NOT NULL, [HeadImageData] [image] NULL, [Groups] [varchar](1000) NOT NULL, [UserState] [int] NOT NULL, [PcOfflineTime] [datetime] NOT NULL, [MobileOfflineTime] [datetime] NOT NULL, [CreateTime] [datetime] NOT NULL, [Version] [int] NOT NULL, CONSTRAINT [PK_GGUser] PRIMARY KEY CLUSTERED ( [UserID] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] ) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY] GO SET ANSI_PADDING OFF GO EXEC sys.sp_addextendedproperty @name=N'MS_Description', @value=N'0正常，1冻结，2禁言，3停用' , @level0type=N'SCHEMA',@level0name=N'dbo', @level1type=N'TABLE',@level1name=N'GGUser', @level2type=N'COLUMN',@level2name=N'UserState' GO

这段代码为创建一个名为GGUser的SQL Server表，表中包含了用户的基本信息，如UserID、密码...UserState列用于表示用户状态，0表示正常，1表示冻结，2表示禁言，3表示停用。最后，代码还添加了对UserState列的注释说明。

解释一下：CREATE PROCEDURE [dbo].[GenerateDocumentCode] @DocumentType VARCHAR(50), @DocumentCode VARCHAR(50) OUTPUT AS BEGIN DECLARE @Prefix VARCHAR(10) DECLARE @Suffix VARCHAR(10) DECLARE @Counter INT SET @Prefix = LEFT(@DocumentType, 3) SET @Suffix = RIGHT(@DocumentType, 3) SELECT @Counter = ISNULL(MAX(CAST(RIGHT(DocumentCode, 6) AS INT)), 0) + 1 FROM dbo.Documents WHERE LEFT(DocumentCode, 3) = @Prefix AND RIGHT(DocumentCode, 3) = @Suffix SET @DocumentCode = @Prefix + RIGHT('000000' + CAST(@Counter AS VARCHAR(6)), 6) + @Suffix END

1. 首先，从 @DocumentType 中获取前缀和后缀，分别存储在 @Prefix 和 @Suffix 变量中。 2. 然后，查询 Documents 表中以 @Prefix 开头、以 @Suffix 结尾的文档编码中，最大的后六位数字，存储在 @Counter 变量中。...

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2021最新高校/大学名称sql文件 dbo.BasicSchools1.Table full

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