insert into book(book_id,book_name,author_name,price) values (#{bookId},#{bookName},#{authorName},#{price}) update book set book_name = #{bookName}, author_name = #{authorName}, price = #{price} where book_id = #{bookId} delete from book where book_id = #{bookId} select * from book where book_id = #{bookId} select * from book select * from book where book_name like concat('%',#{bookName},'%');