Answers for "what are sql not null values"

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10

sql not null

SELECT column_name FROM table_name 
WHERE column_name IS NOT NULL;
Posted by: Guest on December-07-2020
0

find value if not null in sql

SELECT FIRST_NAME , MANAGER_ID 
FROM EMPLOYEES 
WHERE MANAGER_ID IS NOT NULL ;
Posted by: Guest on January-28-2021

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