Caché Web Applications Tutorial
Defining a Query Parameter
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Next, we are going to do something new: create a query parameter. As its name suggests, a parameter enables us to provide some input data to the query at runtime. In this case, because we want to retrieve show time information for a single film, we will use a parameter to identify which film we want.
To create this parameter, we
  1. Click on the button
  2. Give the parameter a name, P1
  3. Give the parameter a data type, %String

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