Amazon Redshift will no longer support the creation of new Python UDFs starting Patch 198. Existing Python UDFs will continue to function until June 30, 2026. For more information, see the [ blog post ](https://amazonaws-china.com/blogs/big-data/amazon-redshift-python-user-defined-functions-will-reach-end-of-support-after-june-30-2026/). 

# SVV\$1EXTERNAL\$1SCHEMAS
<a name="r_SVV_EXTERNAL_SCHEMAS"></a>

Use SVV\$1EXTERNAL\$1SCHEMAS to view information about external schemas. For more information, see [CREATE EXTERNAL SCHEMA](r_CREATE_EXTERNAL_SCHEMA.md).

SVV\$1EXTERNAL\$1SCHEMAS is visible to all users. Superusers can see all rows; regular users can see only their own data. For more information, see [Visibility of data in system tables and views](cm_chap_system-tables.md#c_visibility-of-data).

## Table columns
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[\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/redshift/latest/dg/r_SVV_EXTERNAL_SCHEMAS.html)

## Example
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The following example shows details for external schemas. 

```
select * from svv_external_schemas;

esoid  | eskind | schemaname | esowner | databasename | esoptions                                                   
-------+--------+------------+---------+--------------+-------------------------------------------------------------
100133 |      1 | spectrum   |     100 | redshift     | {"IAM_ROLE":"arn:aws:iam::123456789012:role/mySpectrumRole"}
```