# Introduction

Biuwer is designed **to facilitate data collaboration** across your organisation. We have created the **Data Center** where you can manage everything related to the data used in any Page or Card.

The **Data Center** allows you to manage your **data connections, datasets** and **data models**, which are the three fundamental pieces that must be configured and prepared in advance before you can analyse the data.

### **Accessing the Data Center**

If your user is administrator of your Organization or has the appropriate permissions, you can access the Data Center through the following icon on the left sidebar:

![Accessing the Data Center](/files/-MMWCtoei2EwyDxLEErp)

### **How is the data managed?**

The following diagram shows how data flows from the various data stores to the content displayed to the user, consisting of Pages and Cards.

![Data Management in Biuwer](/files/-MQknIuQuhhu5Vz1gY6s)

On the right we have the different available data storage systems:

* **SQL Databases**. These are database systems compatible with SQL (Standard Query Language), such as MySQL, PostgreSQL, MS SQL Server or Oracle. These databases are managed by your Organisation and Biuwer only connects to them to obtain information.
* **NoSQL databases**. These are NoSQL (Not only SQL) database systems, that is, the rest of database systems with other query systems and processing mechanisms, such as MongoDB. These are also managed by your Organisation and Biuwer only connects to them to obtain information.
* **BIUWER DWH (Biuwer Data Warehouse)**. Biuwer includes a cloud managed data warehouse for Organisations (**CDW - Cloud Data Warehouse**). It is used transparently and automatically for data that is managed by Biuwer, for example when uploading CSV files, Excel files, etc. or when incorporating data from cloud applications through their APIs.

[**Connections**](/managing-data/data-connections.md)**,** [**Datasets**](/managing-data/datasets.md) and [**Models**](/managing-data/data-models.md) are used to manage your data in Biuwer.

On the left we have the content layer, which is organised using [**Spaces** ](/content-management/shared-spaces.md)and materialised through [**Pages** ](/content-management/pages.md)and [**Cards**](/content-management/cards.md).


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