Home > SSIS Best Practices > SSIS – Transact-SQL faster than processing the data in SSIS?

SSIS – Transact-SQL faster than processing the data in SSIS?

Here is the No 7 of Top 10 SQL Server Integration Services Best Practices:

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Ok, set-based operations such as set-based UPDATE, aggregation such as GROUP BY and SUM, will perform faster in T-SQL than in-memory processing by a pipeline (or row-by-row OLE DB calls).

So what does that mean in our design? You can still use SSIS, but use Execute SQL Task instead of a Data Flow.

Here is a simple example in my ETL package.

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Here is a simple UPDATE operation.

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Categories: SSIS Best Practices
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