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Continue Package Execution After Error in SSIS

When it comes to ETL, I’m a pessimist.  Until proven otherwise, I assume that all data is bad, all connections are volatile, and all transformation logic is suspect.  As such, I spent a lot of time addressing how to prepare for and handle errors in the ETL pipeline with SSIS.  Building packages to expect and properly handle errors is a…

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Transaction Rollbacks with Identity Columns

Have you ever noticed unexpected gaps in sequences in SQL Server identity columns? Even though you’ve got transactions set up for your inserts and a no-deletion policy, you find that there are missing values in what should be an unbroken sequence of numbers.  The problem could be partially related to transaction rollbacks. Conventional wisdom would lead one to believe that…

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