You can log data to SQL Server, Oracle, Access, mySQL, and CSV files based on event, continuously, time of day, or on data change.
By using the product OPC Database.NET this is easy to setup.
View the following 2 minute video for a quick tutorial on data logging.
View the following 13 minute video for a more detailed presentation for data logging.
For updating existing records with a dynamic update method view the following video.
Other resources for data logging:
View the Networking video for syntax on how to enable remote communications.
View the following troubleshooting video on how to investigate and resolve data logging issues.