IBM Data and AI Ideas Portal for Customers
This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).
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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.
IBM Unified Ideas Portal (https://ideas.ibm.com) - Use this site to view all of your ideas, create new ideas for any IBM product, or search for ideas across all of IBM.
ideasibm@us.ibm.com - Use this email to suggest enhancements to the Ideas process or request help from IBM for submitting your Ideas.
IBM Employees should enter Ideas at https://ideas.ibm.com
The customer requirement of the following competitor's syntax for a "hash-partitioned" table:
CREATE TABLE sales_hash
(
s_productid NUMBER,
s_saledate DATE,
s_custid NUMBER,
s_totalprice NUMBER
)
PARTITION BY HASH(s_productid)
(
PARTITION p1 TABLESPACE tbs1,
PARTITION p2 TABLESPACE tbs2,
PARTITION p3 TABLESPACE tbs3,
PARTITION p4 TABLESPACE tbs4
);
Can be emulated in Db2 using the following, which has been specifically optimized in Db2 11.1.3.3 (and later):
CREATE TABLE sales_hash
(
s_productid BIGINT,
s_saledate DATE,
s_custid BIGINT,
s_totalprice BIGINT,
s_genpartkey SMALLINT NOT NULL IMPLICITLY HIDDEN GENERATED ALWAYS AS (MOD(HASH4(CHAR(s_productid)),4))
)
PARTITION BY RANGE(s_genpartkey)
(
PART p1 STARTING(-3) ENDING(-3) IN tbs4 INDEX IN tbs4,
PART p2 STARTING(-2) ENDING(-2) IN tbs3 INDEX IN tbs3,
PART p3 STARTING(-1) ENDING(-1) IN tbs2 INDEX IN tbs2,
PART p4 STARTING(0) ENDING(0) IN tbs1 INDEX IN tbs1,
PART p5 STARTING(1) ENDING(1) IN tbs2 INDEX IN tbs2,
PART p6 STARTING(2) ENDING(2) IN tbs3 INDEX IN tbs3,
PART p7 STARTING(3) ENDING(3) IN tbs4 INDEX IN tbs4
);