SQL unknown facts! You must know #learnSQL #shorts #sql #dbms

SQL DML Commands in 1 Minute #sql #interview #dbms

1. He said that before the industrial era, nobody slept 8 hours in one block. People slept in two parts: they went to bed after sunset, woke up around midnight, stayed awake for 1–2 hours, then went back to sleep. This “split sleep” was normal for thousands of years. But when factories appeared in the 19th century, society forced everyone into one long sleep window — and the body never fully adapted. He said the modern schedule confuses the brain: it doesn’t understand when it should rest and wh

SQL Full Course for Beginners (30 Hours) – From Zero to Hero

SQL Tutorial - Full Database Course for Beginners

Learn SQL for Data Analysis in one hour (with sample dataset + 50 queries)