Is it possiable to go through the history blocks and change field names?...ie
I want to change "PS001_Pump1.RT_Daily" to "PS001_Pump1.Runtime_Daily"
so i can access the historical data thru the new tagname.
If so , is this using an udpate query?
I'm not 100% sure I understand your question, but if you need to change a column from one value to another, an UPDATE is the way to go.
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