Null values in SQL / DBMS in Hindi / Urdu | Oracle Database Null values in Query 10g and theory

As-Salamu Alaykum I am Ibrahim Moosani Welcome to our youtube channel Tech IT Pro. About this video- Today Our Lecture is the basic of Null values and its query example. In detail What is Null values? and Null values in arithmatic operation. And also sql Database oracle query example. Social: https://www.facebook.com/techitpro1 https://twitter.com/TechITPro1 Email: techitpro1@gmail.com https://www.instagram.com/techitpro1/