Replace null with 0 in sql

SELECT IFNULL(Price, 0) FROM Products;
SELECT COALESCE(Price, 0) FROM Products;
-- Oracle (extra):
SELECT NVL(Price, 0) FROM Products;

How to replace null values in sql

--See records where specific column is NULL
SELECT * from table1 WHERE column1 ISNULL 

--Update all the NULL values in the selected column
UPDATE table1 SET column1 = replace_value WHERE column1 ISNULL

-1

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