Answers for "how use sql where and where not null"

sql not null

SELECT column_name FROM table_name 
WHERE column_name IS NOT NULL;

Posted by: Guest on December-07-2020

is not null sql

select c_custkey, c_name, c_address from customer where c_custkey in (select o_orderkey from orders where o_orderkey IS NOT NULL)

Posted by: Guest on October-25-2021

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