TCH BI Biljana Jelić The Silent SQL Trap: LEFT JOIN WHERE vs ON Let’s talk about another SQL behaviour that looks harmless until it quietly changes your results. You write what feels like a simple query…
BI Biljana Jelić The NOT IN + NULL Trap: Why Your SQL Query Returns No Rows Continuing in the same spirit as my previous article, “Silent SQL Bugs,” I wanted to keep the series going with another one from the same…
