# 西部地区学校总数
# select distinct(s.province), s.name from user_extensions ue, schools s where ue.school_id=s.id and s.province in ('四川','重庆','贵州','云南','西藏','陕西','甘肃','青海','宁夏','新疆广西','内蒙古')
#
# 西部地区
# select count(*) from courses where school_id in (select distinct(s.id) from user_extensions ue, schools s where ue.school_id=s.id and s.province in ('四川','重庆','贵州','云南','西藏','陕西','甘肃','青海','宁夏','新疆广西','内蒙古') group by s.name)
# 用课门次=课程总数*30*12
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# 西部学习总人数
# select count(*) from user_extensions ue  where ue.school_id in (select id from schools s where s.province in ('四川','重庆','贵州','云南','西藏','陕西','甘肃','青海','宁夏','新疆广西','内蒙古') group by s.name)
# 学习人次=西部实际学习总人数/平台实际用户总数 * 平台总学习人次
#
# select s.name, s.province, count(ue.id) from user_extensions ue left join schools s on ue.school_id = s.id and s.province in ('四川','重庆','贵州','云南','西藏','陕西','甘肃','青海','宁夏','新疆广西','内蒙古') group by s.name
#
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