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SQL Server Integration Services (SSIS) - Design Best Practices

In the previous tips (SQL Server Integration Services (SSIS) - Best Practices - Part 1, Part 2 and Part 3) of this series I briefly talked about SSIS and few of the best practices to consider while designing SSIS packages. Continuing on this path I am going to discuss some more best practices of SSIS package design, how you can use lookup transformations and what considerations you need to take, the impact of implicit type cast in SSIS, changes in SSIS 2008 internal system tables and stored procedures and finally some general guidelines.

Technical Article

TSQL Challenge 19 - Working with consolidated calculations on hierarchical structures

This challenge involves generating an organizational hierarchy and calculating the total orders created by each employee and his/her subordinates. It involves a number of challenges such as generating a resultset in the correct hierarchical form, calculating the orders created by each employee and his/her subordinates and finally calculating the total orders created by self and all the subordinates.

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Question of the Day

The Distance Metric

In the new VECTOR_DISTANCE() function in SQL Server 2025, the first parameter is the distance_metric. What is this?

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