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postgres set null

UPDATE table1
SET column_a IS NULL
WHERE column_b = 'XXX';
Comment

set value to null postgres

UPDATE table1 
SET column_a = NULL
WHERE column_b = 'XXX';
Comment

postgres set null

UPDATE table1
SET column_a IS NULL
WHERE column_b = 'XXX';
Comment

set value to null postgres

UPDATE table1 
SET column_a = NULL
WHERE column_b = 'XXX';
Comment

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