USE dbName;
SELECT OBJECT_NAME(DMV.object_id) AS TABLE_NAME,
      SI.NAME AS INDEX_NAME,
      avg_fragmentation_in_percent AS FRAGMENT_PERCENT,
      DMV.record_count
FROM   sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL, 'SAMPLED') AS
      DMV
      LEFT OUTER JOIN SYS.INDEXES AS SI
           ON  DMV.OBJECT_ID = SI.OBJECT_ID
           AND DMV.INDEX_ID = SI.INDEX_ID
WHERE  avg_fragmentation_in_percent > 10
      AND index_type_desc IN ('CLUSTERED INDEX', 'NONCLUSTERED INDEX')
      AND DMV.record_count >= 2000
ORDER BY
      TABLE_NAME DESC

DECLARE @TableName VARCHAR(255)
DECLARE @sql NVARCHAR(500)
DECLARE @fillfactor INT
SET @fillfactor = 80
DECLARE TableCursor CURSOR 
FOR
   SELECT OBJECT_SCHEMA_NAME([object_id]) + '.' + NAME AS TableName
   FROM   sys.tables

OPEN TableCursor
FETCH NEXT FROM TableCursor INTO @TableName
WHILE @@FETCH_STATUS = 0
BEGIN
   SET @sql = 'ALTER INDEX ALL ON ' + @TableName +
       ' REBUILD WITH (FILLFACTOR = ' + CONVERT(VARCHAR(3), @fillfactor) + ')'
  
   EXEC (@sql)
   FETCH NEXT FROM TableCursor INTO @TableName
END
CLOSE TableCursor
DEALLOCATE TableCursor

using System;
using System.Linq;
using System.IO;

namespace LINQtoDir
{
   class Program
   {
       static void Main(string[] args)
       {
           var query = from f in new DirectoryInfo(@"C:\Documents and Settings\vahid\My Documents\My Pictures")
                                 .GetFiles("*.*", SearchOption.AllDirectories)
                       where f.Extension.ToLower() == ".png" || f.Extension.ToLower() == ".jpg"
                       orderby f.LastAccessTime
                       select new
                       {
                           DateLastModified = f.LastWriteTime,
                           Extension = f.Extension,
                           Size = f.Length,
                           FileName = f.Name
                       };

           foreach (var file in query)
               Console.WriteLine(file.FileName);

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

DECLARE @defaultCollation NVARCHAR(1000)
SET @defaultCollation = CAST(
      DATABASEPROPERTYEX(DB_NAME(), 'Collation') AS NVARCHAR(1000)
  )


select 'ALTER TABLE ' 
+ QUOTENAME(C.TABLE_SCHEMA)
+'.'+ QUOTENAME(C.Table_Name) 
+' ALTER COLUMN ' +' [' +Column_Name+'] ' 
+  DATA_TYPE+'('+cast(character_maximum_length as varchar(10))+')' +' COLLATE Persian_100_CI_AS ' 
+(case IS_NULLABLE when 'YES' then 'NULL' else 'NOT NULL' end )+';'

FROM   Information_Schema.Columns C
     INNER JOIN Information_Schema.Tables T
          ON  C.Table_Name = T.Table_Name
WHERE  T.Table_Type = 'Base Table'
     AND RTRIM(LTRIM(Collation_Name)) <> RTRIM(LTRIM(@defaultCollation))
 --AND DATA_TYPE='nvarchar'
 AND character_maximum_length>0
ORDER BY
     C.Table_Name,
     C.Column_Name