you would google it out faster than post this question!
http://msdn.microsoft.com/en-us/library/ms176089.aspx
It's 2^31-1 bytes (2 GB).
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"The only true wisdom is in knowing you know nothing"
"O skol'ko nam otkrytiy chudnyh prevnosit microsofta duh!":-D
(So many miracle inventions provided by MS to us...)
How to post your question to get the best and quick help[/url]