Oracle DBA FAQ - Working with Database Objects in PL/SQL
A collection of 23 FAQs on working with database objects in PL/SQL. Clear answers are provided with tutorial exercises on running DML statements, assign table data to variables, using the implicit cursor, defining and using RECORDs with table rows.
http://dba.fyicenter.com/faq/oracle/oracle_pl_sql_working_with_database_objects.html