From the publisher website or publicity

 *Easy of implemented and use
 *Possibility to log apart from transaction
 *Possibility to adapt the level of logging depending on user requirements
 *Ability to use all LOG4J feature.
 *Provide a complet set of tools PL/SQL development (bebug variable, SQLERRM, assert, call stack, ... ).
 *

Keywords
assert
bebug
bebug variable
call stack
log
LOG4J
LOG4PLSQL
logging
PL SQL
SQLERRM
transaction log
user requirements

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Vendor: Log4PLSQL