In modern information systems, logging operations performed by users is usually solved at the application server using an event log that records the event in terms of subject area, rather than the SQL-level operations. However, there are events that are not reflected in this log, but they can damage the integrity of business-critical information, so you need to audit changes on the database level. The paper presents an approach to the implementation of monitoring changes in the database, based on the possibility of extraction and subsequent processing of information on completed transactions available in the transaction log.

Database audit, transaction log, information security, Oracle Streams, data change control server

Programming, parallel computing, multimedia