# Loading data

Resources for learning about how Stitch loads and organizes data into your destination.

* [Understanding loading behavior](https://help.qlik.com/en-US/stitch/replication/loading#understand-loading-behavior-category)

* [Interacting with your data](https://help.qlik.com/en-US/stitch/replication/loading#interacting-with-your-data-category)

* [Stitch system columns and tables](https://help.qlik.com/en-US/stitch/replication/loading#stitch-system-columns-tables-category)

* [Destination loading references](https://help.qlik.com/en-US/stitch/replication/loading#destination-loading-references-category)

## Understanding loading behavior

Understand the basics of how Stitch loads data in these starter guides.

* [Understanding Loading Behavior](https://help.qlik.com/en-US/stitch/replication/loading/understanding-loading-behavior)
* [Monitoring Loading Progress](https://help.qlik.com/en-US/stitch/replication/integration-loading-reports)
* [Understanding Your Destination Schemas](https://help.qlik.com/en-US/stitch/replication/loading/understanding-destination-schemas)
* [Understanding Table Structural Changes](https://help.qlik.com/en-US/stitch/replication/loading/understanding-table-structural-changes)

## Interacting with your data

Resources and tutorials for interacting with data loaded by Stitch into your destination.

* [Exploring Analysis Tools](https://help.qlik.com/en-US/stitch/analysis-tools/)
* [Identifying and Resolving Record Rejections](https://help.qlik.com/en-US/stitch/replication/loading/system-tables-columns/rejected-records-system-table)
* [Understanding the Primary Keys Table](https://help.qlik.com/en-US/stitch/replication/loading/system-tables-columns/rejected-records-system-table)
* [Querying Append-Only Tables](https://help.qlik.com/en-US/stitch/replication/loading/querying-append-only-tables)

## Stitch system columns and tables

Learn about the system columns, tables, and reserved keywords Stitch uses to load data.

* [Stitch System Table and Column Reference](https://help.qlik.com/en-US/stitch/replication/loading/system-tables-columns)
* [Primary Key System Table Reference (_sdc_primary_keys)](https://help.qlik.com/en-US/stitch/replication/loading/system-tables-columns/primary-keys-system-table)
* [Rejected Records System Table Reference (_sdc_rejected)](https://help.qlik.com/en-US/stitch/replication/loading/system-tables-columns/rejected-records-system-table)
* [Stitch and Destination Reserved Keywords](https://help.qlik.com/en-US/stitch/replication/loading/reserved-keywords)

## Destination loading references

Every destination handles data differently. Learn about what your destination supports, what it doesn’t, and how Stitch will load your data as a result in these detailed references.

* [Amazon Redshift Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/destination-guides/amazon-redshift/)
* [Databricks Delta Lake on AWS (v1) Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/destination-guides/databricks-delta)
* [Google BigQuery (v1) Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/destination-guides/google-bigquery/v1/)
* [Google BigQuery (v2) Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/destination-guides/google-bigquery/v2)
* [Panoply Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/reference/panoply)
* [PostgreSQL Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/destination-guides/postgresql/)
* [Snowflake Data Loading Reference](https://help.qlik.com/en-US/stitch/replication/loading/destination-guides/snowflake/)