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Introduction
2. Get to know the tables – vaccine_administration
CUBE
Summary

## Instruction

Let’s get to know the tables we’ll be working with.

We will use a table named vaccine_administration 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 – A 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 vaccine_administration table.