我需要定期上传CSV到我的SQl
所以我计划上传 csv 到一个临时表格。 而不是将数据从 临时_ tabt 移动到 main_ tabt 。
现在,我需要帮助:
我怎样才能移动数据
使用 < a href=> "http://dev.mysql.com/doc/en/Infode-select.html" rel="nofollow"\\ code>INSERT... SELECT 。
(a) 跳过重复,或(b) 覆盖重复
定义 < a href=> "http://dev.mysql.com/doc/en/constraint-brime-key.html" rel="nofollow"\\code >UNIQUE 关键限制, 限制用于确定记录是否重复的列; 然后 :
(a) 使用INSERT IGNORE ;或
csv 目前包含55566行, 并将逐日增加 。 因此, 如何处理执行时间 。
每次上传后旋转您的 CSV 文件, 以便不重复上传过去的记录 。
将CSV导入 Mysql 的最佳做法。
使用
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