The AVG function in SQL calculates averages, something we often use in clinical audits. For example, if I wanted to find the average duration of vancomycin therapy: Practical idea: AVG is another small building block for more complex analytics down the line.
Tag: Clinician Learning
Exploring SQL MIN and MAX for Clinical Metrics
In clinical work, I often need to know “the first” or “the highest.” SQL’s MIN and MAX functions handle that without sifting through endless rows. Example: Find the highest potassium level recorded for a patient: Practical idea: These functions turn large datasets into quick, targeted insights.
Mastering SQL COUNT for Quick Clinical Insights
SQL’s COUNT function might be one of the simplest tools I’ve learned, but in a clinical setting, it’s powerful. Need to know how many patients were admitted last week? COUNT can do that. Want to see how many times a particular antibiotic was ordered? COUNT can do that too. Example: Practical idea: It’s a simple…
Using SQL GROUP BY to Summarize Patient Data
As a clinician, I’m used to looking at patient data in aggregated reports: counts, averages, and trends. SQL’s GROUP BY feels like the database version of those summaries. For example, I could group patient visits by department to see how many visits occurred in each. In a pharmacy context, I could group by drug name…