方法连接 - smile0821/learngit GitHub Wiki

https://yq.aliyun.com/articles/241?spm=a2c4e.11153987.0.0.626677075lskRD https://blog.csdn.net/mfkjq/article/details/80377114 多数据源配置 https://blog.csdn.net/mengda_lei/article/details/81484355 spring boot 链接两个数据源，操作两个数据库 https://blog.csdn.net/henu_xiaohei/article/details/84852779 MongoDB——地理空间索引和查询 https://blog.csdn.net/liyantianmin/article/details/82693924 SpringBoot中MongoDB注解概念及使用 https://blog.csdn.net/tianyaleixiaowu/article/details/73530679 地理空间数据格式——GeoJSON https://blog.csdn.net/yaoxiaochuang/article/details/53117379 MongoDB地理空间数据存储及检索 https://www.cnblogs.com/oloroso/p/9777141.html Springboot项目实现多数据源动态切换（Postgresql和Mysql切换） https://blog.csdn.net/wodeshouji6/article/details/87920324 kettle更新 https://blog.csdn.net/qqfo24/article/details/82215761

mysqldump --skip-opt --compatible=postgresql --compact --no-data --default-character-set=utf8 --skip-dump-date -r titan_mo.mysql -u titantest -p -h localhost titan_mo -r titan_mo.mysql -u titantest -p -h localhost titan_mo