小知识

把一个大表(23GBytes,60million+记录)导出到csv文件,采用500k记录批量处理,导出成一个个单个的csv文件。
那么怎么样把这些文件合并呢?

cat a.001.csv > all.csv
tail -n +2 a.002.csv >> all.csv

etc.

集成的小工具很好用呢 :)

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.