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db.cloneDatabase.txt
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db.cloneDatabase.txt
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==================
db.cloneDatabase()
==================
.. default-domain:: mongodb
.. contents:: On this page
:local:
:backlinks: none
:depth: 1
:class: singlecol
Definition
----------
.. method:: db.cloneDatabase("hostname")
Copies a remote database to the current database. The command assumes
that the remote database has the same name as the current database.
.. list-table::
:header-rows: 1
:widths: 20 20 80
* - Parameter
- Type
- Description
* - ``hostname``
- string
- The hostname of the database to copy.
This method provides a wrapper around the MongoDB :term:`database
command` ":dbcommand:`clone`." The :dbcommand:`copydb` database command
provides related functionality.
Example
-------
To clone a database named ``importdb`` on a host named ``hostname``,
issue the following:
.. code-block:: javascript
use importdb
db.cloneDatabase("hostname")
New databases are implicitly created, so the current host does not
need to have a database named ``importdb`` for this command to
succeed.