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CREATE TABLE t ( class text, parameter text, value text ); INSERT INTO t (class, parameter, value) VALUES ('A', 'name', 'John'), ('A', 'city', 'NY'), ('A', 'year', '2022'), ('B', 'name', 'ANNA'), ('B', 'city', 'NM'), ('B', 'year', '2021');
CREATE TABLE
INSERT 0 6
select * from crosstab( 'select class, parameter, value from t') as t(class text, name text, city text, year text);
class
name
city
year
A
John
NY
2022
B
ANNA
NM
2021
SELECT 2