IBM Data and AI Ideas Portal for Customers


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Db2

Showing 1395

Removing defunct Delta Backup images after automatic database backup image removal

We have automated backup options enabled (num_db_backups and rec_his_retentn both set). Our backup schedule takes a full backup on Sunday and a Delta every other day of the week. When a full backup image qualifies for removal, with reference to th...
almost 7 years ago in Db2 / Backup/Restore/ Rollforward/ Recover 0 Not under consideration

DB2 online backup using Tivoli Storage Manager causes DB2 hang

Fix the online back freezing issue as described at http://www-01.ibm.com/support/docview.wss?uid=swg21979921
over 6 years ago in Db2 / Backup/Restore/ Rollforward/ Recover 0 Not under consideration

Reorg on criteria

Add new option to allow the reorg utility to discard / keep rows during the reorganization
about 10 years ago in Db2 / Utilities (Export Import Load db2look etc) 0 Not under consideration

Allow to switch off username conversion to lowercase

We are currently using Db2, SLES11, RACF/LDAP (zOS). Application users (personalized users, not system users) connecting to Db2 are defined in RACF/LDAP. Db2 user authentication and authorization is using Transparent LDAP, accessing RACF/LDAP. T...
about 5 years ago in Db2 / Security 0 Not under consideration

Consideration of Statistical Views for INSERT with Sub-SELECT

We try to improve the performance on an INSERT with an underlying complex subselect eg. "INSERT INTO table "Therefore we created a statistical view through which the optimizer should be able to get more distribution statistics and build a better a...
almost 7 years ago in Db2 / Statements (DDL and DML) 0 Not under consideration

TIMESTAMPFORMAT option in the CREATE SERVER clause

When performing federated queries from Db2 to Presto, it seems that the option TIMESTAMPFORMAT ( https://www.ibm.com/docs/en/db2/11.5?topic=options-jdbc ) for setting the timestamp format of the data source does currently have no impact when speci...
6 months ago in Db2 / Federation 0 Submitted

dmctop - add interval and samples for background data collection

Like db2top, dmctop needs the capability to collect data using -i (interval in seconds) and -s (number of samples) when collecting data in background mode (-b).
over 1 year ago in Db2 / DMCtop 0 Not under consideration

Reorg a data partitioned table with non partitioned indexes online

Currently a data partitioned table with non partitioned indexes can not be reorged online, even the latest V11.1.2.2 can not do this.
about 7 years ago in Db2 / High Availability and/or Disaster Recovery 1 Not under consideration

new aggregated WLM threshold for LOCKLIST at workload/service class level

We have MAXLOCK db-cfg parameter which can be used to avoid a single connection (UOW) to consume the LOCKLIST space. But this parameter some times it not enough. I have seen LOCK escalation cases happening (which locked system tables, causing huge...
over 3 years ago in Db2 / Workload Management 0 Future consideration

schema-privilege for USAGE ON SEQUENCE

To GRANT USAGE ON SEQUENCE there is only the old method with db2 grant usage on sequence sq_test to role <rolename> But i want to use schema-privileges, but there is not the function GRANT USAGEIN ON SCHEMA MYSCHEMA TO ROLE <rolename> ...
over 3 years ago in Db2 / Security 0 Future consideration

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