DAS has comprehensive database access audit capabilities based on the database protocol analysis and the professional SQL statement grammar and morphology analysis.
                        
                        ◆Comprehensive log records
                        DAS can audit 4W1H informations, as follows, which is an obvious advantage over traditional database audit products.
                        Who: Database username, operating system username, application username.
                        Where: IP address and Mac address of the database client, IP address of application client.
                        What: Operating object, specific operation, executed succeed or not, affect rows.
                        When: Happen time, time-consuming.
                        HOW: SQL statement, parameter.
                        ◆Comprehensive audit source
                        DAS supports audit: bypass mirroring, data collected by agent, virtual machine VDS drainage, remote login behavior, telnet behavior records and traffic from local loopback interfaces.
                        ◆Comprehensive database types support
                        International mainstream databases: Oracle, MSSQL, DB2, Sybase ASE, Informix, PostgreSQL, CahceDB, Hadoop and MYSQL.
                        Domestic mainstream database: Gbase, DM, Kingbase and Oscar.
                        Big data: DAS provides related audit and monitor capabilities for Hadoop big data and non relational database to adapt to the analysis market requirement of big data.