postgres add foreign key to existing table
UPDATE student
SET name = institute.inst_name
FROM institute
WHERE student.student_id = institute.inst_id;postgres add foreign key to existing table
UPDATE student
SET name = institute.inst_name
FROM institute
WHERE student.student_id = institute.inst_id;psql create table foreign keys
# id_user is the primary key of the table users:
create table lists(
id_list serial not null primary key,
id_user int references users(id_user),
is_temp int
);postgres add foreign key alter table
CREATE TABLE orders (
order_id SERIAL,
dish_name TEXT,
customer_id INTEGER REFERENCES customers (id)
);Copyright © 2021 Codeinu
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