MySQL_Table_Sub_Query

select * from t_book tb where tb.bookTypeId in (select id from t_bookType tbt);
select * from t_book tb where tb.bookTypeId not in (select id from t_bookType tbt);

select * from t_book tb where tb.price>=(select price from t_pricelevel where priceLevel=1);

select * from t_book where exists (select * from t_bookType);
select * from t_book where not exists (select * from t_bookType);

select * from t_book where price >= any (select price from t_pricelevel);

select * from t_book where price >= all (select price from t_pricelevel);