Defining a Query Parameter
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
-
Click on the
button 
-
Give the parameter a name, P1
-
Give the parameter a data type, %StringOpens in a new tab
