The Quest Error Manager (QEM) is a framework that will help you standardize the management of errors in a PL/SQL-based application.
DOWNLOAD QEM from QUEST website
(qem_v141.zip file backup is also available in this article)
With QEM, you can register, raise and report on errors through an API that makes it easy for all developers to perform error management in the same way, with a minimum amount of effort. Error information is logged into the instance (general information about the error) and context (application-specific name-value pairs) tables. You should install QEM separately for each application you build. QEM also offers programs that: substitute for
DBMS_OUTPUT.PUT_LINE; trace execution of your application; and assert or validate assumptions.Quest Error Manager is a freeware product. Quest Support does not support this product.
toadworld.com
QEM is an excellent Error Manager Framework, which helps me a lot to find bugs or to figure out what happens when an error occured.
This package comes with a helpful documentation and some sql demos.
HTH,
Michel.
Reference
Error Management functions and features for PL/SQL Developers by Steven Feuerstein
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 qem_v141 | 135 kB |
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