postgresql add column with constraint
ALTER TABLE customers
ADD COLUMN contact_name VARCHAR NOT NULL;postgresql add column with constraint
ALTER TABLE customers
ADD COLUMN contact_name VARCHAR NOT NULL;PostgreSQL add column
ALTER TABLE mytable
ADD COLUMN column1 VARCHAR,
ADD COLUMN column2 REAL;
INSERT INTO mytable (column1)
VALUES (v1), (v2), (vn);Copyright © 2021 Codeinu
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