weixin_43018183的博客

1.mysql清楚库中的所有表命令truncate TABLE tablename;neo4j :MATCH (n)OPTIONAL MATCH (n)-[r]-()DELETE n,res ：curl -XDELETE http://localhost:9200/*JanusGraph :graph.close()JanusGraphFactory.drop(graph)redis:flushalllinux:rm -rf /*mysql：drop database 库名