Answers for "add column to postgres table"

postgresql add column with constraint

ALTER TABLE customers 
ADD COLUMN contact_name VARCHAR NOT NULL;

Posted by: Guest on February-18-2020

postgresql insert column

ALTER TABLE table_name
ADD COLUMN new_column_name data_type constraint;

Posted by: Guest on January-26-2021

alter table add column psql

ALTER TABLE table_name
ADD column_name data_type column_constraint;

Posted by: Guest on February-24-2021

alter table add multiple columns postgresql

ALTER TABLE customer 
ADD COLUMN fax VARCHAR,
ADD COLUMN email VARCHAR;

Posted by: Guest on May-26-2020

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