Rockwell-automation FactoryTalk Historian SE ProcessBook 3.2 User Guid Manual de usuario Pagina 273

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7 Data Streams
255
column of the results for a display. For example, in a trend, each column in
the data set that you select appears as a different trace.
A SQL query statement may be written so that it executes based on other
data in a display, such as FactoryTalk Historian tags or the start or end
time. This is done using SQL placeholders (parameters); a tag, time, or text
string is then substituted for each placeholder at run time.
For more information on ODBC, see ODBC (page 271).
Create an ODBC Data Set
To create an ODBC data set:
1. Click Tools > Data Sets. The Data Sets (page 246) dialog box
appears.
2. Click New, then select ODBC. The ODBC Data dialog box appears.
3. Under Name, type a name for the data set.
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