摘要: 数据按照年月日分组 mysql按年月日分组统计的查询SELECT DATE_FORMAT( `report_date`, "%Y-%m-%d" ) DATE_1, COUNT( * ) record_count FROM collect_dataGROUP BY DATE_FORMAT( repor 阅读全文
posted @ 2021-01-30 20:57 emanlee 阅读(5913) 评论(0) 推荐(0)
摘要: MySQL数据导入报错: Got a packet bigger than‘max_allowed_packet’ bytes 解决方法: 方法1: 临时修改 mysql> set global max_allowed_packet=524288000;Query OK, 0 rows affect 阅读全文
posted @ 2021-01-30 20:23 emanlee 阅读(181) 评论(0) 推荐(0)