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PostgreSQL - duplicate table with indexes and data
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In this article, we would like to show you how to duplicate table with indexes and data in PostgreSQL.
Quick solution:
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CREATE TABLE "new_table" LIKE "old_table"; 2
INSERT INTO "new_table" SELECT * FROM "old_table";To show how to duplicate table with indexes and data, we will use the following table:
Note:
At the end of this article you can find database preparation SQL queries.
In this example, we will create an exact copy of users table named users_copy.
Query:
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CREATE TABLE "users_copy" LIKE "users"; 2
INSERT INTO "users_copy" SELECT * FROM "users";Output:
create_tables.sql file:
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CREATE TABLE "users" (2
"id" SERIAL,3
"name" VARCHAR(50) NOT NULL,4
"surname" VARCHAR(50) NOT NULL,5
"email" VARCHAR(50),6
PRIMARY KEY ("id")7
);insert_data.sql file:
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INSERT INTO "users"2
( "name", "surname", "email")3
VALUES4
('John', 'Stewart', 'john@email.com'),5
('Chris', 'Brown', 'chris@email.com'),6
('Kate', 'Lewis', 'kate@email.com'),7
('Ailisa', 'Gomez', 'ailisa@email.com'),8
('Gwendolyn', 'James', 'gwen@email.com'),9
('Simon', 'Collins', 'simon@email.com'),10
('Taylor', 'Martin', 'taylor@email.com'),11
('Andrew', 'Thompson', 'andrew@email.com');