Search found 8 matches

by syed_subhaan
Tue Oct 30, 2007 11:24 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Row Count
Replies: 25
Views: 13023

Best thing to do would be to have a after job routine. Some thing like Source table -----------Copy------------------Target Table | | | Copy Get the Link counts and write it into a flat file in the format as required
by syed_subhaan
Sun Apr 08, 2007 12:47 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Surrogate Key generator
Replies: 7
Views: 4746

Surrogate Key generator

I understand that your req is to generate surrogate keys for the database.. The best way i think you can do it (alternative to sequence of database) is to design a shared container so that it will generate a surrogate key for the previous high value by using a transformer or surrogate key generator....
by syed_subhaan
Thu Aug 10, 2006 8:18 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Date format for Stringtodate()
Replies: 5
Views: 3355

Date format

How can a date be in such a format..dmmyyyy :roll: From first look, your date format looks like a Julian date.(dddyyyy) where ddd is the nth day of that year. Use the Date and Time Functions in the Transformer and convert it into the format you need. IHTH Hi, I agree with krish. it looks like a jul...
by syed_subhaan
Thu Apr 27, 2006 1:24 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Datatype of the Vector in the output of Combine stage
Replies: 3
Views: 1994

Fix the first problem (Input "ACCOUNT" is not a value field.) first. The numbers showing in your Data Set are indexes to vector elements. Each element is of data type string[max=37] (which is how o ... Hi Ray, The number that were there in the dataset are not indexes, they are actual valu...
by syed_subhaan
Thu Apr 27, 2006 12:59 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Datatype of the Vector in the output of Combine stage
Replies: 3
Views: 1994

Datatype of the Vector in the output of Combine stage

Hi All, When i trying to convert a vector to individual columns by using the Transformer stage, it is giving me the following error. Transformer_38: Error when checking operator: Input "ACCOUNT" is not a value field. Following is my job Design Row Generator -> Combine Stage -> Transformer ...
by syed_subhaan
Wed Apr 26, 2006 1:29 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Regarding how to improve performance for joins
Replies: 12
Views: 4614

If you have having performance issues reading the large volume tables, check out the topic: http://www.dsxchange.com/viewtopic.php?t=100002&start=0&postdays=0&postorder=asc&highlight= I post some info there about how to setup a parallel query from DB2. Regarding your join, it sounds...
by syed_subhaan
Mon Apr 24, 2006 1:34 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Regarding how to improve performance for joins
Replies: 12
Views: 4614

i. When you are talking to huge tables, try to INDEX it properly while doing a SELECT. Build and use proper indexes on your 40-70m records table. ii. Not pretty sure, but Hash partitioning may help you in this scenario.. If the two tables on which i trying to join are indexed properly(i mean on the...
by syed_subhaan
Sat Apr 22, 2006 5:53 am
Forum: IBM<sup>®</sup> DataStage Enterprise Edition (Formerly Parallel Extender/PX)
Topic: Regarding how to improve performance for joins
Replies: 12
Views: 4614

Regarding how to improve performance for joins

Hi All, This is my first post to the group. Just wanted to know how to increase the performance for the join. My input data is around two million and reference link(for DB2 tqable is around 40-70 million. I see that join itself which is better alternative over lookup, is taking lot of time. To read ...