mongodb 删除数据库 方便重新导入
参考:(官网)https://www.mongodb.com/docs/manual/reference/method/db.dropDatabase/
https://www.tutorialkart.com/mongodb/mongodb-delete-database/
进入MongoDB的环境后
> show dbs
admin 0.000GB
local 0.000GB
tutorialkart 0.000GB
> use tutorialkart
switched to db tutorialkart
> db.dropDatabase()
{ "dropped" : "tutorialkart", "ok" : 1 }
> show dbs
admin 0.000GB
local 0.000GB
或者
use temp
db.dropDatabase()
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