Answers for "alter table column in postgresql"

postgresql add column with constraint

ALTER TABLE customers 
ADD COLUMN contact_name VARCHAR NOT NULL;

Posted by: Guest on February-18-2020

postgresql change column type

ALTER TABLE assets ALTER COLUMN name TYPE VARCHAR;

Posted by: Guest on May-26-2020

alter column in table postgres

ALTER TABLE table_name
  ALTER COLUMN column_name TYPE column_definition;

Posted by: Guest on February-24-2021

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