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Parallel Runstats collection on a partitioned-table(RIMS)
[JPMC EDW] Currently, when a Runstats is performed on a partitioned-table, each partition is processed sequentially. This can prolong the duration of Runstats operation, especially for very large tables where Runstats duration is concerning. Ideal...
Method to prevent DB2 from modifying operating system tunables; print diag msg instea(RIMS)
Goldman Sachs deploys hundreds of db2 database instances. Many of these instances are configured to consume predefined resources in a system shared with other instances or dbms' or applications. In many cases, these instances are duplexed via QRep...
Incremental Runstats (modify existing statistics based on delta from previous statistics).(RIMS)
Customer requests an incremental runstats support. Specifically the ability for runstats to modify existing statistics based on the new data that came in or was modified after the previous runstats was invoked.
Customer requested to open a DCR for 'unique where not null' indexes. Can this done? This feature exists in DB2 zOS but not in DB2 LUW. This DCR is already opened for another customer in the US, but as far as I know, it's not possible to 'vote' fo...
VARCHAR_FORMAT/TO_CHAR function does not support timestamp formatting using brackets(RIMS)
PMR 28054,020,649 Customer is moving from Oracle to DB2 and under their Oracle applications they are using the TO_CHAR function. That function works in DB2 under the name of VARCHAR_FORMAT or TO_CHAR. The following TO_CHAR function is not working ...
Keep a row count in the table statistics like redbrick does. Select count(*) shouldnt take 15 minutes no matter how big the table is And that is 15 minutes and still running And there should be an aliasing mechanism in place where a select count w...
Customer's model so far has been to minimize their deployment of unicode databases (it has to do with complexity and db2 skilling), so for cases where they require some columns of unicode data, they want a built-in DB2 datatype to support this. Fo...
Online ALTER TABLE ability to rename column; change nullability; drop col.; etc.(RIMS)
Customer wants ALTER TABLE to be more robust. Specifically, the ability to rename a table's column, drop a column, change nullibility and other unsupported attributes. ï¿½ To accomplish this now the table must be recreated and repopulated, which i...
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