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SQL Auto Increment Primary Key - PostgreSQL

SAMER SAEID answered on February 8, 2022 Popularity 10/10 Helpfulness 5/10

answer SQL Auto Increment Primary Key - PostgreSQL

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SQL Auto Increment Primary Key - PostgreSQL

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-- SERIAL keyword auto increments the value
CREATE TABLE Colleges (
  college_id INT SERIAL,
  college_code VARCHAR(20) NOT NULL,
  college_name VARCHAR(50),
  CONSTRAINT CollegePK PRIMARY KEY (college_id)
);

-- inserting record without college_id
INSERT INTO Colleges(college_code, college_name)
VALUES ("ARD13", "Star Public School");

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Tags: auto-increment postgresql primary-key sql

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Contributed on May 22 2022

SAMER SAEID

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postgres autoincrement primary key

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CREATE TABLE epictable
(
    mytable_key    serial primary key,
    moobars        VARCHAR(40) not null,
    foobars        DATE
);

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Source: stackoverflow.com

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Contributed on Feb 08 2022

Cheerful Cassowary

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auto increment in postgresql

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ALTER TABLE temp ALTER COLUMN id
  ADD GENERATED BY DEFAULT AS IDENTITY

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Contributed on Jun 10 2022

JDBC

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start auto increment from 1 postgres

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TRUNCATE TABLE someTable RESTART IDENTITY;

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Contributed on Jul 19 2022

Zaur Tskhvaradze

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primary key auto increment in postgresql

Comment

By simply setting our id column as SERIAL with PRIMARY KEY attached, Postgres will handle all the complicated behind-the-scenes work and automatically increment our id column with a unique, primary key value for every INSERT .

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Contributed on Jun 17 2022

Kriss Sachintha

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sql - PostgreSQL - create an auto-increment column for non-primary key

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CREATE SEQUENCE mytable_item_id_seq OWNED BY mytable. item_id;
ALTER TABLE mytable ALTER item_id SET DEFAULT nextval('mytable_item_id_seq');

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Source: sqlerrors.com

Tags: auto-increment postgresql po

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Contributed on Sep 03 2022

e-mallz contact

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SQL Auto Increment Primary Key - PostgreSQL

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auto increment in postgresql

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sql - PostgreSQL - create an auto-increment column for non-primary key

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