BUSINESS ADMINISTRATION
BUSINESS ANALYTICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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db.collection.drop()
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db.collections.drop()
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db.collections.delete()
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db.collection.delete()
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Detailed explanation-1: -Starting in MongoDB 4.4, the db. collection. drop() method and drop command abort any in-progress index builds on the target collection before dropping the collection. Prior to MongoDB 4.4, attempting to drop a collection with in-progress index builds results in an error, and the collection is not dropped.
Detailed explanation-2: -The drop() method removes collections from the database. It also removes all indexes associated with the dropped collection. The drop method accepts an optional document. It returns true if the collection dropped successfully. It takes one parameter which is optional.
Detailed explanation-3: -In MongoDB, db. collection. drop() method is used to drop a collection from a database. It completely removes a collection from the database and does not leave any indexes associated with the dropped collections.
Detailed explanation-4: -Drop Collection You can delete a table, or collection as it is called in MongoDB, by using the drop() method. The drop() method takes a callback function containing the error object and the result parameter which returns true if the collection was dropped successfully, otherwise it returns false.