The DISABLE LOGONS command prevents new sessions from logging on. When logons are disabled, resource usage data stops logging to the tables even if there are still active sessions logged on. (DISABLE ALL LOGONS prevents all users, including user DBC, from logging on and also stops logging to the tables.)
To enable logons from Database Window, run ENABLE LOGONS or ENABLE ALL LOGONS.
To enable logons from Teradata Command Prompt, use the Start With Logons field of the Screen Debug menu of ctl. For more information about ctl, see Teradata Vantage™ - Database Utilities, B035-1102.
For more information about enabling and disabling logons, see Teradata Vantage™ - Database Administration, B035-1093.