Oracle Exceptions - Dec 03, 2008 at 15:00 PM by Rajmeet Ghai
Define Exceptions in PL/SQL.
An exception is raised when any rule or limit is violated by the program and
hence causes it to stop. The exception can be either internal or external.
Internal exception is raised implicitly whenever our PL/SQL program violates an
Oracle rule or exceeds a system-dependent limit. Eg. NO_DATA_FOUND. External
exceptions are defined explicitly by the program depending on the application
requirement.
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Explain how to define and raise exceptions in PL/SQL.
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