News

Exceptions are errors that occur at runtime; exception handling is the technique of handling these runtime errors. You would typically use try, catch, and finally blocks (also known as exception ...
Oracle’s PL/SQL language has two basic mechanisms for getting data from the database: SELECT and cursors. SELECT is designed to return a single row into local variables; cursors give you the ability ...
What is an exception handler? An exception handler is code that stipulates what a program will do when an anomalous or exceptional event occurs and disrupts the normal flow of that program's ...