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Currently it is merely possible to lock a complete table by means of the "lock table" statement. However, for range partitioned tables, it would be beneficial to be able to lock a specific data partition. That is, a statement like: â€œlock data pa...
Block locking for U/D on MDC when LOCKSIZE=BLOCKINSERT
Block locking is done for INSERTs on MDC tables when LOCKSIZE = BLOCKINSERT, which is a great benefit for memory usage, and allow to parallelize treatments for different dimensions. However, this is unsufficient, because treatments do also Update/...
Create a new type of table based on the size or on the time.create table packagevent (.... ) with history based 1 year on event_timestamp / 1Gb. It could be an ITC table. The oldest data / extent are automatically reused when new data is added and...
UNIQUE INDEXES over BIGINT column can't be compressed
unique indexes over id columns (bigint) are not compressed whereas the same unique index over decimal column gets compressedindex compression for unique indexes is urgently needed to reduce disk and memory footprint
Parallel index creation for partitions of a partitioned-table(RIMS)
[JPMC EDW] Currently, a create-index statement with the PARTITIONED clause will process each partition sequentially. Ideally DB2 would perform this with some degree of parallelism. Currently, this can be accomplished by detaching the individual pa...
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