# ALTER CLUSTER REPLICA
`ALTER CLUSTER REPLICA` changes properties of a cluster replica.
Use `ALTER CLUSTER REPLICA` to:
- Rename a cluster replica.
- Change owner of a cluster replica.

## Syntax


**Rename:**

### Rename

To rename a cluster replica:



```mzsql
ALTER CLUSTER REPLICA <name> RENAME TO <new_name>;

```

| Syntax element | Description |
| --- | --- |
| `<name>` | The current name of the cluster replica.  |
| `<new_name>` | The new name of the cluster replica.  |


> **Note:** You cannot rename replicas in system clusters.



**Change owner:**

### Change owner

To change the owner of a cluster replica:



```mzsql
ALTER CLUSTER REPLICA <name> OWNER TO <new_owner_role>;

```

| Syntax element | Description |
| --- | --- |
| `<name>` | The name of the cluster replica you want to change ownership of.  |
| `<new_owner_role>` | The new owner of the cluster replica.  |
To change the owner of a cluster replica, you must be the current owner and have
membership in the `<new_owner_role>`.






## Privileges

The privileges required to execute this statement are:

- Ownership of the cluster replica.
- In addition, to change owners:
  - Role membership in `new_owner`.
  - `CREATE` privileges on the containing cluster.

## Example

The following changes the owner of the cluster replica `production.r1` to
`admin`.  The user running the command must:
- Be the current owner;
- Be a member of `admin`; and
- Have `CREATE` privilege on the `production` cluster.

```mzsql
ALTER CLUSTER REPLICA production.r1 OWNER TO admin;
```