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postgres=#
postgres=#
postgres=# -- Using the boolean type
postgres=#
postgres=# CREATE TABLE test1 (a boolean, b text);
CREATE TABLE
postgres=# INSERT INTO test1 VALUES (TRUE, 'sic est');
INSERT 0 1
postgres=# INSERT INTO test1 VALUES (FALSE, 'non est');
INSERT 0 1
postgres=#
postgres=# SELECT * FROM test1;
a | b
---+---------
t | sic est
f | non est
(2 rows)
postgres=#
postgres=# SELECT * FROM test1 WHERE a;
a | b
---+---------
t | sic est
(1 row)
postgres=#
postgres=# drop table test1;
DROP TABLE
postgres=#
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