IBM Data and AI Ideas Portal for Customers


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Status Not under consideration
Workspace Db2
Components Serviceability
Created by Guest
Created on Aug 25, 2022

RELATED IDEAS

Update LASTUSED info for table more frequently

When new table is created, some migration is performed and similar it is pretty important info when object was last accessed. Db2 has LASTUSED, e.g SYSCAT.TABLES.LASTUSED column, but the data in this column can be according to documentation up to 24 hours incorrect: https://www.ibm.com/docs/en/db2/11.5?topic=interfaces-determining-date-database-object-was-last-used


Many databases have this data updated very accurately like:

  • PostgreSQL has catalog table pg_stat_all_tables

  • MS-SQL has sys.dm_db_index_usage_stats (in this table there is also info about last table access and time last update of DDL)

  • My-SQL: column update_time in information_schema.tables table

I would suggest to make info about LASTUSED more precise like at least up to 15 min old (if not up to second like other DMS database have).

Needed By Yesterday (Let's go already!)

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