collectiondelete

刪除所有資料. remove 可以用來刪除 collection 的所有資料，但還有另一種方法也是刪除 collection 的所有資料，那就是 drop ，但它同時會將 index 給全部刪除。 兩種的 ...

Removes documents from a collection. The db.collection.remove() method can have one of two syntaxes. The remove() method can take a query document and an ...

To remove all documents from a collection, it may be more efficient to use the drop() method to drop the entire collection, including the indexes, and then ...

The following examples demonstrate how to delete documents, fields, and collections. Delete documents. To delete a document, use the following language-specific ...

Delete collections. To delete an entire collection or subcollection in Firestore, retrieve (read) all the documents within the collection or subcollection and ...

Deleting a collection. You can use the DeleteCollection operation to delete a collection. For more information, see Managing collections.

Deleting collections · Go to the Manage My Collections Page · Click Delete against the collection you wish to delete · Confirm deletion of this collection.

2017年9月22日 — To remove all documents from a collection, pass an empty filter document } to either the db.collection.deleteMany() or the db.collection.remove ...

2015年6月19日 — How to drop or delete a collection in MongoDB? ... What is the best way to drop a collection in MongoDB? ... Removes a collection from the database.

Deletes from the database every document in a collection. If there are no documents in the specified collection, then nothing is deleted, and xdmp:collection- ...