How to connect MariaDB VIA ODBC with SharePoint

This "how-to-connect" documentation will explain the initial configuration of an example connection from MariaDB via ODBC to a SharePoint Online List in Office 365. We will be synchronizing data stored in MariaDB.


This guide presupposes that you have installed the Layer2 Cloud Connector and that you are familiar with its basic functionality. The Layer2 Cloud Connector User Documentation will provide you with all necessary information.




1. Configuring MariaDB through ODBC

2. Configuring the Layer2 Cloud Connector

2.1 Creating a new connection

2.2 Configuring the Data Entity 1

2.3 Configuring the Data Entity 2

2.4 Running your connection

3. Hints and known issues

3.1 Connection direction

1. Configuring MariaDB through ODBC

First, you must download and install the MariaDB provider here. After installing the provider, open the ODBC service by pressing the Windows key and typing ODBC. In User DSN click on ADD and pick the installed MariaDB provider:


MariaDB ODBC add


Give your connection a name and go next.


MariaDB ODBC connection name


You are going to need the MariaDB IP address, the port number, a user with the rights to access the MariaDB and his password. Ask your administrator for that information and set it like in the picture also selecting the database after successfully testing your connection.


MariaDB ODBC connection settings


Go next for all other windows to get your connection set up.


2. Configuring the Layer2 Cloud Connector

2.1. Creating a new connection

Create a new connection by using the Create New Connection option in the Actions pane (right-hand side). The new connection will appear at the bottom of the Connection Manager List (left-hand side). Click on your newly created connection to open the connection configuration settings.


Choose a meaningful name for your connection and replace the current "New Connection" Connection Title with it.


Connections to MariaDB via ODBC are read-only connections. We choose Left to Right as our Synchronization Direction.


Step 1 MariaDB ODBC connection setup.png



2.2. Configuring the Data Entity 1

We will now set up our Data Entities. Go to the data entity “Data Entity 1” to open the configuration settings.


Choose a Data Entity Title. It is recommended to give your entities meaningful names to maintain an overview when you decide to set up multiple connections.


Select the Data Provider for ODBC from the data provider list. You can search for ODBC by typing into the selection box.


Step 2 MariaDB ODBC integration source setup.png


You can copy the below connection string and adjust it to match your information. Use the Verify Connection String option to evaluate if the provided connection string is valid.






  • "DSN=yourdsnconnectionname;" this property must be set to the name from the connection we set up in the step 1.



The Select Statement text box is used to define specific data queries. We will be gathering all the results from our employees' table. You can copy the below select statement and adjust it to match your needs. Save your changes by using the right-hand pane option Save Changes.


SELECT * FROM employees


Step 2.5 MariaDB ODBC integration connection string setup.png


To check if all necessary columns are received, you can use the Preview Data option on the right-hand pane which will provide you with a pop-up window showing your sample data from your MariaDB entity.



Preview data of MariaDB ODBC integration.png


2.3. Configuring the Data Entity 2

We are going to send the data to a custom SharePoint Online list. It's required that you set up this list prior to the next steps. Your list should contain matching columns according to your source entity.


Use the left-hand pane to switch to the data entity "Data Entity 2". We will be using the Layer2 SharePoint Provider for this setup. 


For more information about the SharePoint provider visit:


You can copy the below Connection String which contains the minimum of required properties to connect to your custom SharePoint Online list.


URL=https://your_custom_sharepoint_list_url/AllItems.aspx;Authentication=Office365;[email protected];


  • "URL=https://your_custom_sharepoint_url/AllItems.aspx;" this property defines the URL of your custom list that will be addressed.
  • "Authentication=Office365;" this property will determine the authentication method used. Office365 is the default authentication method to access Microsoft Office365 / SharePoint Online. This method will not work in case of federation, e.g. ADFS. For further authentication method, you can consult the provider specifications linked above.
  • "[email protected];" this property should describe the user you wish to connect to SharePoint to. 


Enter the password that belongs to the user account used in the connection string into the Password field. Save your changes by using the right-hand pane option Save Changes.


Step 3 MariaDB ODBC integration target setup.png


In the next step, we will configure our mapping settings. Click on the Mappings option on the left-hand pane. If your fields from SharePoint are named identical to the fields from your source system, the Enable Auto Mapping option will match those columns. Disabling this option allows you to match your columns as needed. We enabled auto-mapping in our setup. Save your changes by using the right-hand pane option Save Changes.


Step 4 MariaDB ODBC integration mapping.png


2.4. Running your connection

To run your connection switch back to the main connection configuration node and use the Run Now Button located on the bottom of the setup page. The Run Synchronization Toolbox will also display the synchronization process. 


Step 5 MariaDB ODBC data integration start.png


Below is a data preview of the information we have access in our source entity:


MariaDB ODBC integration ready.png


This will be the result in our SharePoint Online list after our initial successful synchronization:


Finished MariaDB ODBC integration.png


3. Hints and known issues


3.1. Connection direction

As far as tested, this connection supports uni-directional only.





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