??? ?? ??????-??? ????? ???????: http://google.com/trends?q=microsoft+sql+server&ctab=0&geo=all&date=all&sort=0 http://google.com/trends?q=mysql&ctab=0&geo=all&date=all&sort=0
imho - ?????? ???-?? ????????,?????? ??? ??? ? ??? ????? ?????, ??? ???, ? ??? ?????? :-)
