# Loading Data

Load your data into Python to use it for SDV modeling. SDV supports many different types of data formats for import and export.

{% hint style="info" %}
**Don't have any data yet?** The SDV library contains many different demo datasets that you can use to get started. To learn more, see the [SDV Demo Data](https://docs.sdv.dev/sdv/multi-table-data/data-preparation/loading-data/demo-data) page.
{% endhint %}

## Local Data

If your data is already available as local files (on your own machine), load them into SDV using the functions below.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><a href="loading-data/csv"><strong>CSV Data</strong></a></td><td>Load multiple CSV files into Python.</td><td><a href="loading-data/csv">csv</a></td></tr><tr><td><a href="loading-data/excel"><strong>Excel Spreadsheet</strong></a></td><td>Load an entire Excel spreadsheet into Python.</td><td><a href="loading-data/excel">excel</a></td></tr></tbody></table>

## **❖** Connect to a database (AI Connectors)

{% hint style="info" %}
❖ **SDV Enterprise Bundle**. This feature is available as part of the **AI Connectors Bundle**, an optional add-on to SDV Enterprise. For more information, please visit the [AI Connectors Bundle](https://docs.sdv.dev/sdv/explore/sdv-bundles/ai-connectors) page.
{% endhint %}

If your data is available in a database, use our AI Connectors feature to directly import some data for SDV. Later you can use the same connector to export synthetic data into a new database.

<table data-view="cards"><thead><tr><th align="center"></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td align="center">❖ <a href="loading-data/alloydb"><strong>AlloyDB</strong></a></td><td><a href="loading-data/alloydb">alloydb</a></td><td><a href="https://1967107441-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfNxEeZzl9uFiJ4Zf4BRZ%2Fuploads%2FkJ1bOR4AbOLLD1SkiFzg%2FAlloyDB.png?alt=media&#x26;token=cf944e36-a8d7-473f-9938-633d50a770fd">AlloyDB.png</a></td></tr><tr><td align="center">❖<a href="loading-data/bigquery"> <strong>BigQuery</strong></a></td><td><a href="loading-data/bigquery">bigquery</a></td><td><a href="https://1967107441-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfNxEeZzl9uFiJ4Zf4BRZ%2Fuploads%2FuYpWlTYYH1CYOr07wzfG%2FBigQuery.png?alt=media&#x26;token=cd7b2e45-cd8b-4132-a06f-5518ce84f829">BigQuery.png</a></td></tr><tr><td align="center">❖ <a href="loading-data/mssql"><strong>MSSQL</strong></a></td><td><a href="loading-data/mssql">mssql</a></td><td><a href="https://1967107441-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfNxEeZzl9uFiJ4Zf4BRZ%2Fuploads%2FPHBms1a4bQgSdGQKCAoJ%2FMSSQL.png?alt=media&#x26;token=a6f2021f-1cfa-4b09-9243-0173db44fc4a">MSSQL.png</a></td></tr><tr><td align="center">❖ <a href="loading-data/oracle"><strong>Oracle</strong></a></td><td><a href="loading-data/oracle">oracle</a></td><td><a href="https://1967107441-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfNxEeZzl9uFiJ4Zf4BRZ%2Fuploads%2FZfj0JCHAUEh35s1qaTsk%2FOracle.png?alt=media&#x26;token=a8ba5d36-54ef-476c-9557-86a6ecf676f8">Oracle.png</a></td></tr><tr><td align="center">❖ <a href="loading-data/postgresql"><strong>PostgreSQL</strong></a></td><td><a href="loading-data/postgresql">postgresql</a></td><td><a href="https://1967107441-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfNxEeZzl9uFiJ4Zf4BRZ%2Fuploads%2FaoQYOyetcdahpAvL3aAS%2FPostgreSQL.png?alt=media&#x26;token=4ad8e042-3ffd-4af7-98b4-584ac6191884">PostgreSQL.png</a></td></tr><tr><td align="center">❖ <a href="loading-data/spanner"><strong>Spanner</strong></a></td><td><a href="loading-data/spanner">spanner</a></td><td><a href="https://1967107441-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FfNxEeZzl9uFiJ4Zf4BRZ%2Fuploads%2FYlYJaZhTyVM24IriuOns%2FSpanner.png?alt=media&#x26;token=6f0a8473-7699-42fa-9783-358ee372bedf">Spanner.png</a></td></tr></tbody></table>

## Do you have data in other formats?

The SDV uses the [pandas library](https://pandas.pydata.org/) for data manipulation and synthesizing. If your data is in any other format, load it in as a [pandas.DataFrame](https://pandas.pydata.org/docs/reference/api/pandas.DataFrame.html) object to use in the SDV. For multi table data, make sure you format your data as a dictionary, mapping each table name to a different DataFrame object.

```python
multi_table_data = {
    'table_name_1': <pandas.DataFrame>,
    'table_name_2': <pandas.DataFrame>,
    ...
}
```

Pandas offers many methods to load in different types of data. For example: [SQL table](https://pandas.pydata.org/docs/reference/api/pandas.read_sql_table.html#pandas.read_sql_table) or  [JSON string](https://pandas.pydata.org/docs/reference/api/pandas.read_json.html#pandas.read_json).

```python
import pandas as pd

data_table_1 = pd.read_json('file://localhost/path/to/table_1.json')
data_table_2 = pd.read_json('file://localhost/path/to/table_2.json')
```

For more options, see the [pandas reference](https://pandas.pydata.org/docs/reference/io.html).
