Amazon Q Business is no longer open to new customers. For capabilities similar to Q Business, explore Amazon Quick. [Learn more](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/qbusiness-availability-change.html).

# Known limitations for the Amazon RDS (Oracle) connector
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The Amazon RDS (Oracle) connector has the following known limitations:
+ Deleted database rows will not be tracked in when Amazon Q checks for updated content.
+ The size of field names and values in a row of your database can't exceed 400KB.
+ Column names should only contain alphanumeric characters and not spaces.
+ If you have a large amount of data in your database data source, and do not want Amazon Q to index all your database content after the first sync, you can choose to sync only new, modified, or deleted documents.