Avoid Empty Data! Use NOT NULL in SQL Columns 🛡️

SQL | How to Add a Not NULL column to an Existing Table? #sqltips

SQLite Lesson 25 - 🚫 Find empty values in SQL with NULL and NOT NULL!

Should Kids Use Mobile Phones?

Autism, pregnancy, and tylenol use You may have heard about the potential association with autism and tylenol use in pregnancy. There have been reports suggesting a neurodevelopmental impact of tylenol on developing babies for years. Let’s look at a good quality study from 2024, published in JAMA. (JAMA is a big f-ing deal of a journal - everyone across specialties reads it and wants to publish in it, so there are rigorous standards and peer review to get in.) This is a registry study, done in S

Pulley system: people lifting sand with a pulley system

SQL IS NULL vs IS NOT NULL

SQL Tricks | Quickly Count Not NULL Column Values | #summeronshorts

SQL IS NULL Explained! How to Find Missing Data in Tables | Day 20 – Mastering SQL