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Possibility to index only specific rows of one or more columns. This could be implemented with a WHERE clause in the index create statement and would rsult in a tiny index for exactly the rows you are interested in.
In current design, when SQL statement accesses a table, the compression and expansion dictionaries of that table will be read into DBHEAP and kept there until database deactivation. For column-based table, the memory consumption may up to 100MB. i...
Increase the number of REORG-recommended operations allowed before a full offline reorg must be performed
The current documentations in v11.5 indicate that only 3 units of work containing REORG-recommended operations are allowed. https://www.ibm.com/support/knowledgecenter/SSEPGG_11.5.0/com.ibm.db2.luw.sql.ref.doc/doc/r0000888.html "There can be up to...
Customer would like non-inline LOBS to also be compressed, as inline LOBs can currently be. Many other datatypes can be compressed and there are many large (up to 20MB) LOBs that are stored outside the table that would not eat up so much space if ...
Table Partition creation auto extension Functionality
Today DB2 doesn’t provide the auto table partition extension Functionality. We would like to have the Functionality available, could you please let us know if this is feasible and if yes how soon it would be available. This is Functionality is ava...
SAP BW needs to materialize data into persistent (regular) tables to be able to access it from multiple session (connections). CGTT and DGTT in Db2 cannot be accessed from multiple sessions/connections. Therefore those temp tables that don't requi...
Support synchronous detachment of a table partition
Starting with DB2 9.7(?) the detachment of table partitions is handled asynchonously. To simulate synchronous behaviour a complicated work around has to be put in place. Such a behavior could be triggered by a new DML keyword such as ASYNC.
Add option ：statement rollback is able to release the locks for the failed statement.
When -803 ( violating unique key constrain ) happen on a statement, there are two things happen1) db2 still hold the lock on the row accessed by the statement that cause -803 , no matter the statement had fail.2) The transaction was not rollbacked...
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