Understand AVEVA Historian Client Query
- Last UpdatedFeb 26, 2025
- 1 minute read
When you start up the Query application, you are immediately prompted to connect to the server. However, if you are opening an existing Query file that includes at least one server configuration and the log in was successful, you are not prompted to log in. For more information, see Server Connection Configuration.
After you establish a connection with the server, the Query program appears, showing the main window:

The Query application user interface consists of the following components:
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Tag Picker (may not appear depending on the query type)
For information on using the common toolbars and the Tag Picker, see Common Client Components.