--- title: "PARCdata Server" slug: "parcdata-server" updated: 2024-01-30T17:31:03Z published: 2024-01-30T17:31:03Z canonical: "kb.dataparc.com/parcdata-server" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.dataparc.com/llms.txt > Use this file to discover all available pages before exploring further. # PARCdata Server PARCdata is a Windows Communication Foundation (WCF) service that can be used by third-party applications to quickly read tag data from data sources that are configured in PARCview via SQL queries. When used with the PARCdata SQL Server CLR add-in, PARCdata is a preferred alternative to the Capstone ODBC driver for reading OPC HDA data into SQL Server. This is typically utilized for custom reporting applications or for pulling data into third-party applications. The basic data flow when using the PARCdata SQL Server CLR is as follows: ![](https://cdn.document360.io/59db2ca4-e512-446a-a143-a7c626447812/Images/Documentation/image002_027.png)