Thursday, January 18th, 2007

Audit Your ETL With CHECKSUM

Loading your target incrementally offers a huge performance benefit over running full truncate/reloads, but there is a danger of missing inserts or updates in your source system. It can take hours or days to track down the source of these problems (if it can be done at all!) and problems are generally not found until [...]

No Comments » - Posted in Other by Shane

Thursday, November 2nd, 2006

Why Do We Use Informatica?

This excellent piece in DMReview deliberates on some criteria for selecting (or justifying) an ETL tool. We are struggling with this right now. Our shop uses a combination of Informatica and SQL Server DTS for our ETL jobs. With Oracle Warehouse Builder 10gR2 and SQL Server Integration Services both released as viable alternatives, we need [...]

1 Comment » - Posted in Informatica, Oracle, SQL Server by Shane