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select DATE_FORMAT(create_time,'%Y%u') weeks,count(caseid) count from tc_case group by weeks; select DATE_FORMAT(create_time,'%Y%m%d') days,count(caseid) count from tc_case group by days; select DATE_FORMAT(create_time,'%Y%m') months,count(caseid) count from tc_case group by months; select DATE_FORMAT(create_time,'%Y') years,count(caseid) count from tc_case group by years; |
标签归档：MySQL
hibernate+MySQL中文乱码问题
用hibernate插入MySQL数据库时，发现如果字段含有中文时会变成"?"，这是个乱码问题。