比较两张不一样的表

select * from meta_hdfs_info_bak 
where not exists (select 1 from meta_hdfs_info 
where meta_hdfs_info.hdfsPath=meta_hdfs_info_bak.hdfsPath
AND meta_hdfs_info.clusterUserId=meta_hdfs_info_bak.clusterUserId
AND meta_hdfs_info.hdfsGroup=meta_hdfs_info_bak.hdfsGroup
AND meta_hdfs_info.hdfsOwner=meta_hdfs_info_bak.hdfsOwner
AND meta_hdfs_info.hdfsPerm=meta_hdfs_info_bak.hdfsPerm);


select * from meta_hdfs_info 
where not exists (select 1 from meta_hdfs_info_bak 
where meta_hdfs_info.hdfsPath=meta_hdfs_info_bak.hdfsPath
AND meta_hdfs_info.clusterUserId=meta_hdfs_info_bak.clusterUserId
AND meta_hdfs_info.hdfsGroup=meta_hdfs_info_bak.hdfsGroup
AND meta_hdfs_info.hdfsOwner=meta_hdfs_info_bak.hdfsOwner
AND meta_hdfs_info.hdfsPerm=meta_hdfs_info_bak.hdfsPerm);
原文地址:https://www.cnblogs.com/sprinng/p/5435344.html