Consider the following database schema. BOOK (BID, TITLE, GENRE, AUTHOR) BORROWS (RID, BID, DATE) READER (RID, NAME, LEVEL, #POETRY) The primary key attributes are underlined. BORROWS.BID is a foreign key that refers to BOOK.BID and BORROWS.RID is a foreign key that refers to READER.RID. Attribute #POETRY in relation READER records the number of books of genre Informatics' a reader has borrowed. Write an SQL row-level trigger that maintains the value of attribute #POETRY every time borrowing is made (a borrowing is an insertion into BORROWS).

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