Delete data from Cloud Firestore | Firebase

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.

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- ...

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

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 ...

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.

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 ...

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