Instruction
Let’s get to know the tables we’ll be working with.
We will use a table named VaccineAdministration in our examples. It describes vaccination efficacy in various test patients. The following columns are available:
Id– A unique identifier for each record/row in the table.Location– T patient’s location, either Norway or Argentina.Gender– Denoted as either Male or Female.Risk– The patient’s risk of contracting a disease: Low, Medium, or High.Age– The patient’s age in years.Efficacy– An integer value ranging from 1 (poor vaccination efficacy) to 3 (excellent efficacy).
Exercise
Select all information from the VaccineAdministration table.



