# Structural differences and limitations with Amazon Redshift

{% hint style="info" %}
**Required license:** Professional or Enterprise license.

Not available on Structural Cloud.
{% endhint %}

## Table mode limitations <a href="#redshift-tonic-differences-table-modes" id="redshift-tonic-differences-table-modes"></a>

Amazon Redshift workspaces cannot use the following table modes:

* Incremental

## Generator limitations <a href="#redshift-tonic-differences-generators" id="redshift-tonic-differences-generators"></a>

Amazon Redshift workspaces cannot use the following generators:

* Algebraic
* Array JSON Mask
* Array Regex Mask
* Cross Table Sum
* Current Date
* Event Timestamps
* Geo
* Sequential Integer

## No upsert <a href="#redshift-tonic-differences-upsert" id="redshift-tonic-differences-upsert"></a>

Amazon Redshift workspaces do not support upsert.

## No output to a container repository <a href="#redshift-tonic-limitations-containerization" id="redshift-tonic-limitations-containerization"></a>

For Amazon Redshift workspaces, you cannot write the destination data to a container repository.