books.google.com.ua - Get started with PL/SQL, the built-in language that every Oracle developer and database administrator must know, in Beginning PL/SQL, a fast-paced and example-filled tutorial. Learn from author Don Bales extensive experience to discover the most commonly used aspects of PL/SQL, without wasting time with...https://books.google.com.ua/books/about/Beginning_PL_SQL.html?hl=pt-BR&id=FqUKI3MSuHYC&utm_source=gb-gplus-shareBeginning PL/SQL
