# Amazon RDS (PostgreSQL) connector overview
<a name="rds-postgresql-overview"></a>

The following table gives an overview of the Amazon RDS (PostgreSQL) connector and its supported features.


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- ****Security****
  - **Feature:** Authentication type / **Support:** Basic
  - **Feature:** Authentication credentials / **Support:** [See the AWS documentation website for more details](http://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/rds-postgresql-overview.html)
  - **Feature:** [Access Control List (ACL)](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/connector-concepts.html#connector-authorization) crawling / **Support:** Yes. For more information, see [ACL crawling](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/rds-postgresql-user-management.html).
  - **Feature:** Driver version / **Support:** PostgreSQL – 42.3.2
  - **Feature:** Data source version / **Support:** PostgreSQL 9.6
  - **Feature:** [Identity crawling](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/connector-concepts.html#connector-identity-crawler) / **Support:** No
  - **Feature:** [VPC](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/connector-concepts.html#connector-vpc) / **Support:** Yes

- ****Crawl features****
  - **Feature:** Custom metadata / **Support:** Yes
  - **Feature:** Entities / **Support:** Yes. The following entities are supported: [See the AWS documentation website for more details](http://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/rds-postgresql-overview.html) See [What is a document?](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/connector-doc-crawl.html) for more details on what each connector crawls as a document.
  - **Feature:** [Field mappings](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/connector-concepts.html#connector-field-mappings) / **Support:** Yes. Supports both default and custom field mappings. For more information, see [Field mappings](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/rds-postgresql-field-mappings).
  - **Feature:** [Sync mode](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/connector-concepts.html#connector-sync-mode) / **Support:** Supports full and incremental sync.
  - **Feature:** [File types](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/doc-types.html) / **Support:** Supports all files supported by Amazon Q.