NULL Safe operator in MySQL with example | SQL Interview problem for Data Science
Try it yourself in MySQL:
create table A (Col1 int);
insert into A
values (1),
(2),
(1),
(Null),
(3),
(Null);
create table B (Col1 int);
insert into B
values (Null),
(2),
(3),
(3);
#sql #sqlinterview #sqlinterviewquestions #datascience #datasciencetutorial
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