# Using context parameters when reading a table from a database

In this scenario, MySQL is used for demonstration purposes. We will read a table from a MySQL database, using a context parameter to refer to the table name.

For more technologies supported by Talend, see [Talend components](https://help.qlik.com/talend/r/en-US/7.3/components/defining-context-groups).

### In this section

* [Dragging and dropping components and linking them together](https://help.qlik.com/talend/en-US/components/7.3/defining-context-groups/dragging-and-dropping-components-and-linking-them-together-standard-component-drop)
* [Configuring the components to use contexts](https://help.qlik.com/talend/en-US/components/7.3/defining-context-groups/configuring-components-to-use-contexts-standard-component)
* [Executing the Job](https://help.qlik.com/talend/en-US/components/7.3/defining-context-groups/tmysqlinput-tmysqlinput-executing-job-standard-component-the)

**Related information**

[tMysqlInput](https://help.qlik.com/talend/r/en-US/7.3/components/mysql/tmysqlinput)

[tLogRow](https://help.qlik.com/talend/r/en-US/7.3/components/logs-and-errors/tlogrow)