12 2018 档案

摘要:mysql> use information_schema;Database changed mysql> select concat(round(sum(DATA_LENGTH/1024/1024),2),'MB') as data from TABLESmysql> select concat( 阅读全文
posted @ 2018-12-19 11:03 追梦nan 阅读(295) 评论(0) 推荐(0) 编辑
摘要:Neither the JAVA_HOME nor the JRE_HOME environment variable is defined At least one of these environment variable is needed to run this program vim to 阅读全文
posted @ 2018-12-17 15:38 追梦nan 阅读(325) 评论(0) 推荐(0) 编辑

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