IS NULL ve IS NOT NULL, Boolean operatorleridir. Bİr ifadenin NULL olup olmadığını kontrol eder COALESCE (BirleÅŸtirme) ise bir fonksiyondur ve içerisindeki parametrelerden NULL olmayan ilk ifadeyi ...
Task Overview:- This repository contains the solution for Task 2 of the SQL Developer Internship program. The objective is to practice inserting, updating, and deleting data while properly handling ...
IS NULL and IS MISSING are predicates that test for a missing value. IS NULL and IS MISSING are used in the WHERE, ON, and HAVING expressions. Each predicate resolves to true if the sql-expression's ...