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Count(*) on a very large table produces different SQLCODE when running on either DB2 or the IDAA : On db2 we get an SQLCODE -802 DSNT408I SQLCODE = -802, ERROR: EXCEPTION ERROR FIXED POINT OVERFLOW HAS OCCURRED DURING COLUMN FUNCTION OPERATION ON ...
Up to now a RENAME FOREIGN KEY is only possible by dropping and re-creating it, thus asking for a CHECK UTILITY to be run.The enhancement of the ALTER to a RENAME would make those actions superfluous and would be much faster.
In DB2 10 for z/OS a new feature allowing currently committed data was deployed, enabling an application reading data to have the option of viewing previously committed work. This allowed for greater application concurrency, comparability with Ora...
For high use OLTP systems, there can be a lot of I/O pressure on the logical log due to intense rate of logical log buffer flushing (most customer don't ant data loss so they use UNBUFFERED LOG). Setting BUFFERED LOG at session level would hardly ...
Provide a new bind-option to provide values for the remark-column in SYSPACKAGE
There were several discussions regarding APPLCOMPAT and providing a value that a customer can easily see that a package was bound a level down. This request was refused by DB2 development, but another solution was acceptable. A new bind option can...
The following SQL will not do a GETPAGE on 'table1' because the DB2 Optimizer recognizes that the predicate 'WHERE 0 = 1' has an empty result set: Select * from table1 where 0 = 1 The same is true if a date is used.:Select * from table1 where '201...
Provide increased flexibility for Developers and better compatibility across the DB2 family. In the recent zBLC present regarding SQLPL support for Triggers being proposed for Cypress, on of the items that it was mentioned that will not be availab...
Allow for 16 IFI trace outputs to run concurrently
When a program starts a trace that is to go to destination OPX, there are currently only 8 of these that can be run at a time. This can be somewhat constraining (and has at times caused us some issues). Could this limit be bumped to 16 with the de...
over 8 years ago
in Db2 for z/OS
Planned for future release
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