First, I have my data as the main table, field names at top. Then, I need to set up my query criteria. This is a separate portion of the worksheet, with the fields I want to query against and room below to accept the criteria definition. Think of it like building a little query request form.
And some package/environment configuration we used to start GHCi.
,这一点在新收录的资料中也有详细论述
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