This is one of those data type conversions which I occasionally have to do in DataStage, but can never seem to remember. So, I thought I would write this quick post to document the data type conversion code, which is really easy, once I finally remember how to do it again. The TimestampFromDateTime Function DataStage … Continue reading DataStage – Timestamp from date
Over the years have occasionally use the action column feature, however, the last month or so I have found myself using it quite a lot. This is especially true in relation to the tea set and not just in relation to the change capture stage. The first thing you need to know is, if you … Continue reading DataStage – Netezza Connector Action Column
During the course of the week, the discussion happened regarding the different places where a person might read the DataStage and QualityStage logs in InfoSphere. I hadn't really thought about it, but here are a few places that come to mind: IBM InfoSphere DataStage and QualityStage Operations Console IBM InfoSphere DataStage and QualityStage Director client IBM InfoSphere … Continue reading Infosphere Information Server (IIS) – Where you can view DataStage and QualityStage Logs?
Working with timestamp literals in the Infosphere SFDC Connector soql is much like working date literals. So, here a quick example which may save you some time. SOQL Timestamp String Literals Where Clause Rules Basically, the timestamp pattern is straight forward and like the process for dates, but there are some differences. The basic rules … Continue reading SFDC – Using a timestamp literal in a where clause
I found working with date literal, when working with the Infosphere SFDC Connector soql, to be counterintuitive for me. At least as I, normally, as I use SQL. I spent a little time running trials in Workbench, before I finally locked on to the ‘where clause’ criteria data pattern. So, here a quick example. SOQL DATE … Continue reading SFDC – Using a date literal in a where clause
What is the convert function in Datastage? In its simplest form, the convert function in Infosphere DataStage is a string replacement operation. Convert can be used to replace a specific character, a list of characters, or a unicode character (e.g. thumbs Up Sign or Grinning Face). Convert Syntax convert('<<Value to be replaced','<<Replacement value >>',<<Input … Continue reading What is the convert function in Datastage?
Database Table Here are a few guidelines for modeling and designing fact tables. Fact Table Effective Practices The table naming convention should identify it as a fact table. For example: Suffix Pattern: <<TableName>>_Fact <<TableName>>_F Prefix Pattern: FACT_<TableName>> F_<TableName>> Must contain a temporal dimension surrogate key (e.g. date dimension) Measures should be nullable – this has an … Continue reading Data Modeling – Fact Table Effective Practices