Answers for "postgres table update all null values"

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0

postgresql alter column nullable

-- To change a column to nullable
ALTER TABLE mytable ALTER COLUMN mycolumn DROP NOT NULL;

Posted by: Guest on February-26-2021

0

postegresql update to null

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

Posted by: Guest on March-02-2021

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