✅ Data TypesCREATE TYPE gender_type AS ENUM ('male', 'female');CREATE TABLE users ( -- 0 2KB TOAST (the oversized-attribute storage technique) bio TEXT, profile_photo BYTEA, -- SMALLINT -- Signed: -32,768 to 32,767 -- INTGER -- Signed: -2,147,483,648 to 2,147,483,647 -- BIGINT -- Signed: -9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 -- SMALLSERIAL (1 to 32,767) -- SERIAL (1 to 2,147,4..