MongoCollectionDrop
MongoCollectionDrop[MongoCollection[…]]
removes the collection MongoCollection[…],
更多信息和选项
- To use MongoCollectionDrop, you first need to load MongoLink using Needs["MongoLink`"].
- Care should be taken when dropping a database, as it cannot be easily restored.
- MongoCollectionDrop corresponds to db.collection.drop in the MongoDB manual.
范例
基本范例 (1)
Needs["MongoLink`"]client = MongoConnect[]Connect to the "WolframTestDB" database, and list all available collections:
d = client["WolframTestDB"]MongoGetCollectionNames[d]Connect to the "WolframTest" collection:
coll = d["WolframTest"]Connect to the "WolframTest" collection:
coll = d["WolframTest"]Delete the "WolframTest" collection:
MongoCollectionDrop[coll]List all available collections in the "WolframTestDB" database:
MongoGetCollectionNames[d]文本
Wolfram Research (2018)，MongoCollectionDrop，Wolfram 语言函数，https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionDrop.html.
CMS
Wolfram 语言. 2018. "MongoCollectionDrop." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionDrop.html.
APA
Wolfram 语言. (2018). MongoCollectionDrop. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/MongoLink/ref/MongoCollectionDrop.html 年