Answers for "psql alter table modify column value"

postgresql add column with constraint

ALTER TABLE customers 
ADD COLUMN contact_name VARCHAR NOT NULL;

Posted by: Guest on February-18-2020

how to change column type psql

ALTER TABLE table_name
ALTER COLUMN column_name [SET DATA] TYPE new_data_type;

Posted by: Guest on August-10-2020

Code answers related to "psql alter table modify column value"