If you are using a SQL query for a property binding, SQL tag, or something similar, you will be provided a dropdown box with the list of database connections to choose. If you’re scripting, each of the scripting functions can take the name of the database connection as a parameter. To do any operations on a database, each database connection must be properly set up in the Ignition Gateway.
For information about scripting and database configurations take a look at our online manual: