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INSERT .. SELECT
The table
games
shows the year and the city hosting the Olympic Games.
games
yr
city
2000
Sydney
2004
Athens
2008
Beijing
The INSERT SELECT statement adds a new row to the table based on a SELECT statement:
In this example you run the next three Olympic games in the same three venues:
INSERT INTO games(yr,city) SELECT yr+12, city FROM games; SELECT * FROM games;
DROP TABLE games; DROP TABLE games CASCADE;
CREATE TABLE games(yr INT, city VARCHAR(20)); INSERT INTO games(city,yr) VALUES ('Sydney',2000); INSERT INTO games(city,yr) VALUES ('Athens',2004); INSERT INTO games(city,yr) VALUES ('Beijing',2008);
INSERT INTO games(yr,city) SELECT yr+12, city FROM games; SELECT * FROM games;
Results
See also:
INSERT .. VALUES
