摘要:#移动数据 UPDATE dcs_organize_user AS a, dcs_organize_user AS b SET a.SHORTTELNO=b.USERTELNO WHERE a.id=b.id; #字段加前缀 UPDATE dcs_organize_user SET USERTELNO=CONCAT('0038089819',USERTELNO);
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摘要:在Mac OS X 10.10.5学习hadoop的过程中,输入命令ssh localhost得到 ssh: connect to host localhost port 22: Connection refused 解决方法是选择系统偏好设置->选择共享->点击远程登录 然后再输入命令ssh localhost发现已经解决问题 找到解决方案来自于 http://stackoverflow.c...
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