Mimic Production in Development
Attempting to debug production performance problems in your development environment can be problematic in many ways, leading to a frustrating troubleshooting experience. One very common situation is the resources on the development environment are substantially…
ALTER TABLE ALTER COLUMN failed because one or more objects access this column
There are a variety of causes for the message shown in the title of this post. Manually creating statistics for a column is one such cause. This post shows how that works, and what you…
Statistics update job
SQL Server statistics are extremely important for good query performance since they provide invaluable guidelines that allow the query optimizer to pick an optimal plan. Out-of-date or non-existent statistics objects can cause excessive I/O, poor…
Same plans, markedly different performance!
We all know the importance of looking at execution plans when doing performance optimization. However, just because the plan looks good doesn’t necessarily indicate the best outcome. It’s always important to consider the user-experience, and…