using System.Xml.Linq;

namespace TestModel
{
   public class DynamicTable
   {
       public virtual int Id { get; set; }
       public virtual XDocument Document { get; set; }
   }
}

using FluentNHibernate.Automapping;
using FluentNHibernate.Automapping.Alterations;
using NHibernate.Type;

namespace TestModel
{
   public class DynamicTableMapping : IAutoMappingOverride<DynamicTable>
   {
       public void Override(AutoMapping<DynamicTable> mapping)
       {
           mapping.Id(x => x.Id);
           mapping.Map(x => x.Document).CustomType<XDocType>();
       }
   }
}

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

   create table [DynamicTable] (
       Id INT IDENTITY NOT NULL,
      Document XML null,
      primary key (Id)
   )

//insert
object savedId = 0;
using (var session = sessionFactory.OpenSession())
{
   using (var tx = session.BeginTransaction())
   {
        var obj = new DynamicTable
        {
            Document = System.Xml.Linq.XDocument.Parse(
                    @"<Doc><Node1>Text1</Node1><Node2>Text2</Node2></Doc>"
                    )
        };
        savedId = session.Save(obj);
        tx.Commit();
    }
}

//simple query
using (var session = sessionFactory.OpenSession())
{
   using (var tx = session.BeginTransaction())
   {
        var entity = session.Get<DynamicTable>(savedId);
        if (entity != null)
        {
           Console.WriteLine(entity.Document.Root.ToString());
        }

        tx.Commit();
    }
}

//advanced query
using (var session = sessionFactory.OpenSession())
{
   using (var tx = session.BeginTransaction())
   {
       var list = session.CreateSQLQuery("select [Document].value('(//Doc/Node1)[1]','nvarchar(255)') from [DynamicTable] where id=:p0")
                               .SetParameter("p0", savedId)
                               .List();

        if (list != null)
        {
             Console.WriteLine(list[0]);
        }

        tx.Commit();
    }
}

DECLARE @doc XML 
SET @doc ='
<p:people xmlns:p="http://www.people.com">
 <p:person name="Vahid" /> 
 <p:person name="Farid" />
</p:people>
'
SELECT @doc.query('/people/person')

 SELECT @doc.query('/p:people/p:person')

 SELECT @doc.query('
declare default element namespace "http://www.people.com";
/people/person
')

 SELECT @doc.query('
declare namespace aa="http://www.people.com";
/aa:people/aa:person
')

 WITH XMLNAMESPACES(DEFAULT 'http://www.people.com')
SELECT @doc.query('/people/person')

 WITH XMLNAMESPACES('http://www.people.com' AS aa)
SELECT @doc.query('/aa:people/aa:person')

 SELECT @data.query('
 (: FLOWE :)
 for $p in /people/person
 where $p/age > 30
 return $p
 ')

SELECT @data.query('
(: XPath :)
/people/person[age>30]
')

DECLARE @doc XML 
SET @doc='
<Team name="Project 1" xmlns:a="urn:annotations">
  <Employee id="544" years="6.5">
    <Name>User 1</Name>
<Title>Architect</Title>
<Expertise>Games</Expertise>
<Expertise>Puzzles</Expertise>
<Employee id="101" years="7.1" a:assigned-to="C1">
 <Name>User 2</Name>
 <Title>Dev lead</Title>
 <Expertise>Video Games</Expertise>
 <Employee id="50" years="2.3" a:assigned-to="C2">
 <Name>User 3</Name>
 <Title>Developer</Title>
 <Expertise>Hardware</Expertise>
 <Expertise>Entertainment</Expertise>
</Employee>
</Employee> 
  </Employee>
</Team>
'

 SELECT @doc.query('/Team/Employee/Name')

 SELECT @doc.query('/Team/Employee/child::Name')

 <Name>User 1</Name>

 SELECT @doc.query('//Employee/Name')

 <Name>User 1</Name>
<Name>User 2</Name>
<Name>User 3</Name>

 SELECT @doc.query('
declare namespace a = "urn:annotations";
//Employee[@a:assigned-to]/Name
')

 SELECT @doc.query('
declare namespace a = "urn:annotations";
//Employee[attribute::a:assigned-to]/Name
')

 SELECT @doc.query('
declare namespace a = "urn:annotations";
//Employee[not(@a:assigned-to)]/Name
')

 <Name>User 1</Name>

 SELECT @doc.query('count(//Employee[Name="User 1"]/Employee)')

 SELECT @doc.query('//Employee[../Name="User 1"]')

 Select p.name, p.job
from people as p
where p.age > 30
order by p.age

 for $p in /people/person
where $p.age > 30
order by $p.age[1]
return ($p/name, $p/job)

 let $p := /people/person
return $p

 DECLARE @x XML = '';
SELECT @x.query('
for $i in (1,2,3)
return $i
');

SELECT @x.query('
let $i := (1,2,3)
return $i
');

 DECLARE @x XML = '';
SELECT @x.query('
for $i in (1,2,3)
order by $i descending
return $i
');

SELECT @x.query('
let $i := (1,2,3)
order by $i descending
return $i
');

DECLARE @doc XML  =' 
<people>
 <person>
  <name>
<givenName>name1</givenName>
<familyName>lname1</familyName>
  </name>
  <age>33</age>
  <height>short</height>
 </person>
 <person>
  <name>
<givenName>name2</givenName>
<familyName>lname2</familyName>
  </name>
  <age>40</age>
  <height>short</height>
 </person>
 <person>
  <name>
<givenName>name3</givenName>
<familyName>lname3</familyName>
  </name>
  <age>30</age>
  <height>medium</height>
 </person>
</people>
'

 SELECT @doc.query('
for $p in /people/person
return <person>
{$p/name[1]/givenName[1]/text()}
</person>
');

 <person>name1</person>
<person>name2</person>
<person>name3</person>

 SELECT @doc.query('
<root>
{
for $p in /people/person
return <person>
{$p/name[1]/givenName[1]/text()}
</person>
}
</root>
');

 <root>
  <person>name1</person>
  <person>name2</person>
  <person>name3</person>
</root>

 SELECT @doc.query('some $emp in //Employee satisfies $emp/@years >5')
-- true

SELECT @doc.query('every $emp in //Employee satisfies $emp/@years >5')
-- false

using (var db = new BloggingContext())
{
   db.Database.ExecuteSqlCommand(
         @"CREATE VIEW View_BlogPostCounts AS 
             SELECT Name, Count(p.PostId) as PostCount from Blogs b
             JOIN Posts p on p.BlogId = b.BlogId
             GROUP BY b.Name");
}

public class BlogPostsCount
{
    public string BlogName { get; set; }
    public int PostCount { get; set; }
}

public class BloggingContext : DbContext
{
    public DbQuery<BlogPostsCount> BlogPostCounts { get; set; }

   protected override void OnModelCreating(ModelBuilder modelBuilder)
   {
      modelBuilder
           .Query<BlogPostsCount>().ToView("View_BlogPostCounts")
           .Property(v => v.BlogName).HasColumnName("Name");
    }

using (var db = new BloggingContext())
{
   var postCounts = db.BlogPostCounts.ToList();

static string[] QueryCustomers (Expression<Func<Purchase, bool>> purchaseCriteria)
{
  var data = new MyDataContext();

  var query =
    from c in data.Customers.AsExpandable()
    where c.Purchases.Any (purchaseCriteria.Compile())
    select c.Name;

  return query.ToArray();
}

IIS 6.0: %windir%\System32\LogFiles\W3SVC<SiteID>
IIS 7.0: %systemDrive%\Inetpub\logfiles

logparser.exe -i:iisw3c "select top 25 count(*) as HitCount, c-ip from C:\WINDOWS\system32\LogFiles\W3SVC1\*.log group by c-ip order by HitCount DESC" -rtp:-1 > top25-ip.txt

...
     .ConnectionString(x => x.FromConnectionStringWithKey(...))
     .Cache(x => x.UseQueryCache()
                           .UseMinimalPuts()
                           .ProviderClass<NHibernate.Caches.SysCache.SysCacheProvider>())
...

using FluentNHibernate.Automapping.Alterations;

namespace NH3Test.MappingDefinitions.Domain
{
   public class AccountOverrides : IAutoMappingOverride<Account>
   {
       public void Override(FluentNHibernate.Automapping.AutoMapping<Account> mapping)
       {
           mapping.Cache.ReadWrite();
       }
   }
}

var data = session.QueryOver<Account>()
                 .Where(s => s.Name == "name")
                 .Cacheable()
                 .List();