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IDS 14.10 contains this important new feature:
"Partial indexes avoid indexing common values. As the query searching for a common value will no...
PN_STAGEBLOB_THRESHOLD - Set to 1Mb when first table containing BYTE or TEXT is partitioned by Round Robin
Currently, the PN_STAGEBLOB_THRESHOLD onconfig parameter is not present in the standard onconfig file, therefore it defaults to zero.
It's absence also means that most DBAs will not be aware of its existence and the potential pain they are in for ...
When adding chunks to an instance which is using filesystem files there can be a large amount of disk writes in a short period of time to zero out the new chunk which can impact production systems.E.g. Adding a 10GB chunk causes unacceptable clie...
Support Multi Row Insert:insert into table1 (col1, ..., colx) values (1, ..., x), ... (1000, ..., x) ;Using Multi Row Insert multiple rows can be inserted with just one statement. Other RDBMs provide this feature with a performance improvem...
Config for the server to refuse to start if shared memory segments do not use huge pages.
When shared memory segments are not using huge pages there can be performance impactI would like an option for the engine to abort startup similar to FULL_DISK_INIT=0 if huge pages cannot be used for shared memory segments. Scenario: sysmaster sy...
Permit blocking checkpoints on secondary nodes when raw tables exist on the primary node.
Currently we cannot issue a blocked checkpoint on a secondary (RSS in our case) when there exists raw tables on the primary node.We use raw tables heavily for admin jobs (mostly for the selection processing of archiving/purging jobs) to avoid swam...
Column encryption, select rows with different passwords without errors
When using char/varchar columns with the option of encryption each user can choose his
own password and more worse multiple passwords.
All is well in case I read the data without decrypt() then I see the raw data for encrypected data
and the re...
Flag high volatile tables as 'VOLATILE' and access those tables differently than normal tables by the query optimizer
A volatile table is defined as a table whose contents can vary from empty to very large at run time. In other words , statistics data is often out of date and may result in wrong access plans by the optimizer and subsequently may have lock the ent...
Add at the 'DEFRAGMENT' SQL Api , the option to defragment an entire dbspace.
We have set in our environment tables and partitions with historical data, so, they are tables or partitions who have any changes (include/excluded data).
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