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Monday, October 6, 2014
How to use the Slowly Changing Dimension stage
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The Slowly Changing Dimension stage was added in the 8.0 release of InfoSphere Information Server DataStage. It is desi...
Sunday, September 14, 2014
Star schema vs. snowflake schema: Which is better?
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What are the key differences in snowflake and star schema? Where should they be applied? The Star schema vs Snowflake schema compa...
2 comments:
Monday, September 8, 2014
How to use Aggregate stage to count number of records
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Count of records: Below is the job design: Create a dummy col with 1 as its value. In Aggregate Stage: ...
1 comment:
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