Mongodb remove index from collection
dropIndex() method is used to removes a specified index on a collection. Note: You cannot drop the default index on the _id field. Specifies the index to drop. You can specify the index either by the index name or by the index specification document.,You cannot drop the default index on the _id field. Starting in MongoDB 4.2, you cannot specify db.collection.dropIndex("*") to drop all non- _id indexes.
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Mongodb remove index from collection 相關參考資料
db.collection.createIndex() — MongoDB Manual
To change these index options, drop the existing index with db.collection.dropIndex() before running db.collection.createIndex() with the new options. https://docs.mongodb.com db.collection.dropIndex() - MongoDB shell method - w3resource
dropIndex() method is used to removes a specified index on a collection. Note: You cannot drop the default index on the _id field. Specifies the index to drop. You can specify the index either by the... https://www.w3resource.com db.collection.dropIndex() — MongoDB Manual
You cannot drop the default index on the _id field. Starting in MongoDB 4.2, you cannot specify db.collection.dropIndex("*") to drop all non- _id indexes. https://docs.mongodb.com db.collection.dropIndexes() - MongoDB shell method ...
collection.dropIndexes() method is used to drop all indexes other than the required index on the _id field. Only call dropIndexes() as a method on ... https://www.w3resource.com db.collection.dropIndexes() — MongoDB Manual
You cannot drop the default index on the _id field. text Indexes¶. To drop a text index, specify the index name instead of the index specification document. https://docs.mongodb.com db.collection.reIndex() — MongoDB Manual
Indexes. ← db.collection.mapReduce() db.collection.remove() →. © MongoDB, Inc 2008-present. MongoDB, Mongo, and the leaf logo are registered trademarks ... https://docs.mongodb.com drop() - db.collection.drop() — MongoDB Manual
The method also removes any indexes associated with the dropped collection. The method provides a wrapper around the drop command. db.collection.drop() ... https://docs.mongodb.com dropIndexes — MongoDB Manual - MongoDB Documentation
To drop all but the _id index from the collection, specify "*" . To drop a single index, specify either the index name, the index specification document (unless the index is a text index), o... https://docs.mongodb.com Manage Indexes — MongoDB Manual
On this page. View Existing Indexes; Remove Indexes; Modify an Index ... MongoDB provides two methods for removing indexes from a collection: db.collection. https://docs.mongodb.com Remove - db.collection.remove() — MongoDB Manual
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 recreate ... https://docs.mongodb.com |