వికీపీడియా చర్చ:రచ్చబండ (ఇతరత్రా)

this is the links used for me to know about the sql i hope you like this

this link is use to know the difference between the SQL server versions http ://www.c-sharpcorner.com/blogs/differences-between-sql-server-2005-2008-2008r2-2012

this link help about char var char and nvarchar size difference https://msdn.microsoft.com/en-IN/library/ms176089.aspx http://www.c-sharpcorner.com/UploadFile/a20beb/understanding-the-memory-consumption-of-char-varchar-nchar/