如何列出特定MongoDB数据库中的所有集合？

如果要列出特定数据库的所有集合，则需要先切换数据库。查询如下-

> use sample;
switched to db sample
> db.getCollectionNames();

以下是输出-

[
   "copyThisCollectionToSampleDatabaseDemo",
   "deleteDocuments",
   "deleteDocumentsDemo",
   "deleteInformation",
   "employee",
   "internalArraySizeDemo",
   "sourceCollection",
   "updateInformation",
   "userInformation"
]

备用查询可以是以下内容-

> show collections;

以下是输出-

copyThisCollectionToSampleDatabaseDemo
deleteDocuments
deleteDocumentsDemo
deleteInformation
employee
internalArraySizeDemo
sourceCollection
updateInformation
userInformation