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DSNX messages for IDAA need to be formated better for Auomation
When the IDAA pushes messages to the mainframe, the automation tool has a difficult time in parsing the messages. I even have a difficult time reading the messages as they can be split across multiple occurrences of DSNX881I messages with words br...
Ability to add columns to DB2 z/OS tables without impacting IDAA or incremental update
Currently, adding a column to a DB2 z/OS table that is using IDAA with incremental update involves: 1) Adding the column in DB2 z/OS2) Stopping replication for all IDAA tables3) Dropping the affected table from IDAA4) Adding the affected table bac...
Improve performance of queries with correlated subqueries in IDAA v7
Queries with correlated sub-queries where index access is involved will generally run faster on Db2z then on IDAA v7. Since IDAA v7 supports correlated subqueries, these queries are generally offloaded to IDAA, although they may run significantly ...
Since timestamps with timezone specification is not supported into the current last version of IBM DB2 Analytics Accelerator for zOS 7.1, even if the same functionality is already implemented into DB2 for zOS, SIA asks it will be implemented the s...
We have a lot of EBCDIC and UNICODE tables in production, and in many cases those tables would have to be joined to execute our operational analytic workloads on IDAA. Altering the objects to make it work is an option since many of those tables ar...
If customers need FAILBACK capability back to Db2 in case SQL has an issue in accelerator, they currently use ENABLE WITH FAILBACK option. However, the routing criteria of ENABLE option includes cost factors calculated by optimizer. Customers want...
Simple way to check consistency between DB2 and IDAA
When implementing data replication we found a number of tables showing different number of rows in DB2 and on IDAA (2 IDAAs installed with replication). To verify this we did as follows:- Disable table for acceleration in IDAA1- Run SPUFI with SEL...
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