SQL How-to

check this link for the complete sql tutorial which i might use
http://riki-lb1.vet.ohio-state.edu/mqlin/computec/tutorials/SQLTutorial.htm


w3 school
http://www.w3schools.com/sql/default.asp

MySQL
MySQL/mysql-3.23.52/

MSSQL - Blob for storing images...
click here for checking the information related to Blob

understanding the SQL For XML Explicit and also the SQL Queries
click here