Is trend logs stored in the SQL server or Vista database?

Issue

Is trend logs saved in the SQL server or Vista database?

Product Line

TAC Vista

Environment

TAC vista 4.3.0 and later versions.

Cause

All trend log values are sent from the Vista server to the $queue folder in the Vista database and then a service called TAC DSSwriter is taking the trend log from the $queue folder and transfer them in to the SQL database. 

Resolution

All trend logs and events are stored in a SQL database.