This can then be used in an "owner" entity type, for example, to store the contact details of an author:C# Copy public class Author { public int Id { get; set; } public string Name { get; set; } public ContactDetails Contact { get; set; } } The aggregate type is configured ...
The standard state in thermodynamics is defined as a temperature of 25 degrees Celsius (298.15 K) and a pressure of 1 atm. When we say that a particular substance is present at the standard state, we are referring to such conditions. The simplest substance is an element itself. Each ...
(本小题满分13分)如下图,给出了一个程序框图,其作用是输入 的值,输出相应的 的值, (I)请指出该程序框图所使用的逻辑结构; (Ⅱ)若视 为自变量, 为函数值,试写出函数 的解析式; (Ⅲ)若要使输入的 的值与输出的 的值相等,则输入 的值的集合为多少?
Click on Report and post the contents of the text file that will open. Note: By default, the utility outputs the log into system disk (it is usually the disk with installed operating system, C:\) root folder. The Log has a name like: TDSSKiller.Version_Date_Time_log.txt.Next...
public class Author { public int Id { get; set; } public string Name { get; set; } public ContactDetails Contact { get; set; } } The aggregate type is configured in OnModelCreating using OwnsOne:C# Copy protected override void OnModelCreating(ModelBuilder modelBuilder) { modelBuilder.Entity...
[a] WHERE (CAST(JSON_VALUE([a].[Contact],'$.Address.City') AS nvarchar(max)) = N'Chigley' AND CAST(JSON_VALUE([a].[Contact],'$.Phone') AS nvarchar(max)) IS NOT NULL) OR ([a].[Name] LIKE N'D%') ORDER BY CAST(JSON_VALUE([a].[Contact],'$.Phone') AS nvarchar(max)...
تلميح This use of aggregates is very similar to the way JSON documents are mapped when using the EF Core provider for Azure Cosmos DB. JSON columns bring the capabilities of using EF Core against document databases to documents embedded in a relational database....
[a] WHERE (CAST(JSON_VALUE([a].[Contact],'$.Address.City') AS nvarchar(max)) = N'Chigley' AND CAST(JSON_VALUE([a].[Contact],'$.Phone') AS nvarchar(max)) IS NOT NULL) OR ([a].[Name] LIKE N'D%') ORDER BY CAST(JSON_VALUE([a].[Contact],'$.Phone') AS nvarchar(max)...
[a] WHERE (CAST(JSON_VALUE([a].[Contact],'$.Address.City') AS nvarchar(max)) = N'Chigley' AND CAST(JSON_VALUE([a].[Contact],'$.Phone') AS nvarchar(max)) IS NOT NULL) OR ([a].[Name] LIKE N'D%') ORDER BY CAST(JSON_VALUE([a].[Contact],'$.Phone') AS nvarchar(max)...
await context.Posts.Where(p => p.Author!.Name.StartsWith("Arthur")).ExecuteDeleteAsync(); 使用TPH 时,生成以下 SQL:SQL 复制 DELETE FROM [p] FROM [Posts] AS [p] LEFT JOIN [Authors] AS [a] ON [p].[AuthorId] = [a].[Id] WHERE [a].[Name] IS NOT NULL AND ([a].[Name] ...