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We use the bitwise operators for a lot of things. Right now bitwise operators are limited to a 64 bits or 113 bits. We have a need to use bitwise operators at let's say 8192 bits; a number bigger than 113 bits.
DB2 optimizer in v10.5/v11.1 has still several weaknesses in generating correct plan when using RP tables, because it bases its plan only on global stats when partition (data and indexes) stats are available. Case TS001150102
Currently on Db2 LUW CREATE OR REPLACE is only allowed for the owner of a database object. CREATE OR REPLACE authorization should be opened up to allow create/replace by anyone who has the ability to drop the object and to create the object with a...
As part of the SQL 92 standard, there is a referential action for foreign key that allows to update on cascade.The following link is the SQL 92 standard:http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt In the Section 11.8, there is the fo...
Currently, in column-organized tables you cannot alter or rename columns and you even cannot drop columns. The only allowed operation is to add a column. This renders the column-based-tables pretty useless because in a normal environment, it must ...
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