DataStage Parallel job: Retrieve sql codes on a failed upsert

When an enterprise database stage such as DB2 or Oracle is set to upsert it is possible to create a reject link to trap rows that fail any update or insert statements. By default this reject link holds just the columns written to the stage, they do not show any columns indicating why the row was rejected and often no warnings or error messages appear in the job log.

DataStage Scenario - Design2 - job2

DataStage Scenario Problem -->  DataStage Scenario - Problem2

Solution Design :


a) Job Design :
In job design, we are using Copy, Aggregator, Filter and Join stage to get the output.

Interview Questions : DataStage - self-2

48    Why can’t we use sequential file as a lookup?
49    What is data warehouse?
50    What is ‘Star-Schema’?
51    What is ‘Snowflake-Schema’?
52    What is difference between Star-Schema and Snowflake-Schema?
53    What is mean by surrogate key?
54    What is ‘Conformed Dimension’?

Orchadmin Command : DataStage

Orchadmin is a command line utility provided by datastage to research on data sets.

The general callable format is : $orchadmin <command> [options] [descriptor file]

1. Before using orchadmin, you should make sure that either the working directory or the $APT_ORCHHOME/etc  contains the file “config.apt” OR

The environment variable $APT_CONFIG_FILE  should be defined for your session.

DataStage tip for beginners: developer short cuts

Hi guys,

Last night I am googling for some shortcut to execute jobs, some tool tricks. I found this another great Article by Vincent McBurney. So sharing that here with you all…will join you soon with the DS command line tricks.

Import Export

* When you do an export cut and paste the export file name. When you go to your project and run an import paste the file name instead of having to browse for it. While export and import independently remember the last file name used they do not share that name between each other.

* When you switch export type between category and individual job it is quick to switch the type, close the export form and open it again. That way the job name or category you have highlighted will be automatically picked.
There is an Export option to export by individual job name or export by category name. This is on the second tab in the export form. Often when you go to export something it is on the wrong option,