15.10 - Data Dictionary Logs that Require Manual Purging - Teradata Database

Teradata Database Data Dictionary

Teradata Database
Release Number
Content Type
User Guide
Publication ID
English (United States)



Logs that can be either purged manually or using Teradata Viewpoint.

Access Log

Data collected as defined in a BEGIN LOGGING statement, for each privilege check of an attempted user access of a database object.

DBQ Logs:

  • DBC.DBQLSummaryTbl
  • DBC.DBQLStepTbl
  • DBC.DBQLogTbl
  • DBC.DBQLObjTbl
  • DBC.DBQLExplainTbl
  • DBC.DBQLSqlTbl
  • Data collected during database query logging (DBQL), if DBQL is enabled.

    Event Log

    Data collected automatically by the system for each user logon event.

    ResUsage Logs:

  • DBC.ResUsageSpma
  • DBC.ResUsageSvpr
  • DBC.ResUsageShst
  • DBC.ResUsageIpma
  • DBC.ResUsageIvpr
  • DBC.ResUsageScpu
  • DBC.ResUsageSldv
  • DBC.ResUsageSawt
  • DBC.ResUsageSps
  • DBC.ResUsageSpdsk
  • DBC.ResUsageSvdsk
  • ResUsage tables collect data on system resource usage.

    You can enable ResUsage data collection and set the collection rate using either:

  • The ctl utility SCREEN RSS command
  • Teradata Viewpoint data collectors
  • The collection rate determines how quickly data accumulates and when the logs should be purged.

    SWEvent Log

    The system automatically inserts rows in response to software errors and system events, for use by Teradata Customer Service.

    TDWM Logs:

  • DBC.TDWMSummaryLog
  • DBC.TDWMEventLog
  • DBC.TDWMExceptionLog
  • Logs for Teradata Viewpoint workload management functions.

    Logs that can only be purged manually.

    In Doubt transaction Log

    Contains a row for each transaction where completion was in doubt.