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db.
copyDatabase
(fromdb, todb, fromhost, username, password, mechanism)¶Deprecated since version 4.0.自版本4.0以来已弃用。
Important
Starting in version 4.2, MongoDB removes the 从4.2版开始,MongoDB删除copydb
command. copydb
命令。The deprecated 不推荐使用的db.copyDatabase()
, which wraps the copydb
command, can only be run against MongoDB 4.0 or earlier versions. db.copyDatabase()
封装了copydb
命令,只能在MongoDB 4.0或更早版本上运行。For behavior and examples, refer to the 4.0 or earlier version of the manual.有关行为和示例,请参阅4.0或更早版本的手册。
For an alternative in version 4.2+, see Copy/Clone a Database.有关版本4.2+中的替代方案,请参阅复制/克隆数据库。
Copies a database either from one 将数据库从一个mongod
instance to the current mongod
instance or within the current mongod
.mongod
实例复制到当前mongod
实例或在当前mongod
内。
The mongo
shell method db.copyDatabase()
takes the following arguments:mongo
shell方法db.copyDatabase()
采用以下参数:
fromdb |
string | |
todb |
string | |
fromhost |
string | mongod instance. mongod 实例的主机名。mongod instance.mongod 实例中的数据库。 |
username |
string |
|
password |
string |
|
mechanism |
string |
|