A question I ask myself often when exploring unfamiliar data sets. So here’s a quickie: If you’re in need of a quick measuring stick, this should do the job. Microsoft does note that the row_count field is an approximate value in this DMV. It’s taken from the internal table PARTITIONCOUNTS which can be cached, but […]
Foreign keys provide us with confidence in the integrity of the code we develop. In this post we identify indexing opportunities around foreign keys to increase performance of their usage. Creating an index on a foreign key column (or columns) can provide additional performance in two key situations: That’s all well and good if we’re […]
I’ve recently been reviewing SSIS packages to make some performance fixes and needed a way to validate the results of those changes. I thought I’d share the scripts as they may be useful for others. Rather than relying on run times from the SQL Agent running the packages I wanted to dive deeper into the […]
Andy Brownsword 