database basics

Hi Srinivas
This site have lot of basic article related to the database, From where u can start the Database Journey.

http://www.c-sharpcorner.com/Articles/ArticleListing.aspx?SectionID=1&SubSectionID=187

hi,
show here  sql server database basics tutorial

http://www.webdevelopersnotes.com/tutorials/sql/index.php3

http://www.sql-tutorial.net/SQL-tutorial.asp

http://www.quackit.com/sql_server/tutorial/

you can find database basics tutorials from this link

http://www.quackit.com/database/tutorial/

http://www.edumax.com/database-basics.html

Database concept PDF File 

more info
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http://www.learn-sql-tutorial.com/DatabaseBasics.cfm

http://www.pdf-search-engine.com/database-basics-pdf.html

sql server but i need some basic concepts of database
 
thank you
 

you could find basic stuff on sQl in w3schools, msdn, sqlcourse, etc..
and if you intend to learn on particular topic you could search on that for many links and tutorials in many sites including right this one..