Answers for "postgresql add column as select"

SQL
31

postgresql add column with constraint

ALTER TABLE customers 
ADD COLUMN contact_name VARCHAR NOT NULL;
Posted by: Guest on February-18-2020
4

postgres add column from another table

UPDATE student
SET name = institute.inst_name
FROM institute
WHERE student.student_id = institute.inst_id;
Posted by: Guest on August-19-2021

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