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Deletes all user-defined roles on the database where you run the method.


The dropAllRoles method removes all user-defined roles from the database.

The dropAllRoles method takes the following argument:

Field Type Description
writeConcern document Optional. The level of write concern for the removal operation. The writeConcern document takes the same fields as the getLastError command.
Returns:The number of user-defined roles dropped.

The db.dropAllRoles() method wraps the dropAllRolesFromDatabase command.


Replica set

If run on a replica set, db.dropAllRoles() is executed using majority write concern by default.

Required Access

You must have the dropRole action on a database to drop a role from that database.


The following operations drop all user-defined roles from the products database and uses a write concern of majority.

use products
db.dropAllRoles( { w: "majority" } )

The method returns the number of roles dropped: