Boolean Data Types

-- Create a table.
mogdb=# CREATE TABLE bool_type_t1
(
    BT_COL1 BOOLEAN,
    BT_COL2 TEXT
);

-- Insert data.
mogdb=# INSERT INTO bool_type_t1 VALUES (TRUE, 'sic est');

mogdb=# INSERT INTO bool_type_t1 VALUES (FALSE, 'non est');

-- View data.
mogdb=# SELECT * FROM bool_type_t1;
 bt_col1 | bt_col2
---------+---------
 t       | sic est
 f       | non est
(2 rows)

mogdb=# SELECT * FROM bool_type_t1 WHERE bt_col1 = 't';
 bt_col1 | bt_col2
---------+---------
 t       | sic est
(1 row)

-- Delete the table.
mogdb=# DROP TABLE bool_type_t1;