I want to create wcf webservice that should response in JSON format not xml format and database (sqlserver) connectivity 
and i heard rest wcf service. i think wcf webservice is also called as rest wcf service. please explain that also.
kindly help me with full explanation.
Thanks a lot,.

somebody posted link .but that not belong to data accessing from database. so,
vs 2010,sqlserver , .net 4.0
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