using System;
using System.Collections.Generic;

namespace SortedSetTest
{
   class Program
   {
       static void sample1()
       {
           var setRange = new SortedSet<int> { 2, 5, 6, 2, 1, 4, 8 };

           foreach (var i in setRange)
           {
               Console.WriteLine(i);
           }
       }

       static void Main()
       {
           sample1();
       }
   }
}

using System;
using System.Collections.Generic;

namespace SortedSetTest
{
   class Program
   {      
       static void sample2()
       {
           var setRange = new SortedSet<int>();
           var random = new Random();

           for (int counter = 0; counter < 100; counter++)
           {
               var rnd = random.Next(-180, 181);
               if (!setRange.Add(rnd))
               {
                   Console.WriteLine("Couldn't add {0}", rnd);
               }
           }

           Console.WriteLine("Result set:");
           foreach (var item in setRange)
           {
               Console.WriteLine(item);
           }
       }

       static void Main()
       {
           sample2();
       }
   }
}

using System;
using System.Collections;
using System.Collections.Generic;

namespace SortedSetTest
{
   class FileInfo
   {
       public string Name { set; get; }
       public long Size { set; get; }
   }

   class FileInfoComparer : IComparer<FileInfo>
   {
       public int Compare(FileInfo x, FileInfo y)
       {
           var caseiComp = new CaseInsensitiveComparer();
           return caseiComp.Compare(x.Name, y.Name);
       }
   }


   class Program
   {

       static void sample3()
       {
           var setRange = new SortedSet<FileInfo>(new FileInfoComparer())
                              {
                                  new FileInfo
                                      {
                                          Name = "file1.txt",
                                          Size = 100
                                      },
                                  new FileInfo
                                      {
                                          Name = "file2.txt",
                                          Size = 10
                                      },
                                      new FileInfo
                                          {
                                          Name = "file3.txt",
                                          Size = 300
                                      }
                              };

           foreach (var item in setRange)
           {
               Console.WriteLine(item.Name);
           }
       }

       static void Main()
       {
           sample3();

           Console.WriteLine("Press a key...");
           Console.ReadKey();
       }
   }
}

Blog Tags Tbl
BlogID int
TagID int

CREATE TABLE sal_emp (
    name            text,
    pay_by_quarter  integer[],
    schedule        text[][]
);

Npgsql.EntityFrameworkCore.PostgreSQL