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PostgreSQL - select last row
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In this article, we would like to show you how to select the last row from a table in PostgreSQL.
Quick solution:
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SELECT * FROM "table_name"2
ORDER BY "column_name" DESC3
LIMIT 1;To show how to select the last row from a table, 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 select all the information (columns) about the last user from the users table.
Query:
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SELECT * FROM "users"2
ORDER BY "id" DESC3
LIMIT 1;Output:
In this example, we will select id, name and country column information about the last user from the users table.
Query:
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SELECT "id", "name", "country"2
FROM "users"3
ORDER BY "id" DESC4
LIMIT 1;Output:
create_tables.sql file:
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CREATE TABLE "users" (2
"id" SERIAL PRIMARY KEY,3
"name" VARCHAR(100) NOT NULL,4
"email" VARCHAR(100) NOT NULL,5
"country" VARCHAR(15) NOT NULL6
);insert_data.sql file:
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INSERT INTO "users"2
("name", "email", "country")3
VALUES4
('Tom', 'tom@email.com', 'Poland'),5
('Chris', 'chris@email.com', 'Spain'),6
('Jack', 'jack@email.com', 'Spain'),7
('Kim', 'kim@email.com', 'Vietnam'),8
('Marco', 'marco@email.com', 'Italy'),9
('Kate', 'kate@email.com', 'Spain'),10
('Nam', 'nam@email.com', 'Vietnam');