Statistics auto-updates are generally a good thing–auto-update of statistics is the default behavior in SQL Server. Having the freshest information about the data “shape” helps to inform the best selection of an execution plan for queries. Except for when it doesn’t. Because It Depends™️ Let’s … [Read More]
For this month’s T-SQL Tuesday, Brent Ozar (blog|Instagram) asks us to describe the most recent ticket we closed. “We had a pretty significant wait spike…” The literal last ticket I closed was “please run this script in production…”, and I don’t think it would be … [Read More]
Question I have the following SQL Server table : For the two constraints I listed the more important constraint first hoping that if both constraints are violated, the first one would be triggered and displayed to the user. However, it appears the constraints are declared … [Read More]
Question I just learned that indexes can be disabled on a table. Even the clustered index can be disabled. After that, users can’t access the index or the data if clustered index. When will we disable an index? I just don’t understand the use case. … [Read More]
I’ve seen more and more events & communities adopt Codes of Conduct. Even local events, local user groups, and smaller online communities are adopting Codes of Conduct. That’s GREAT! …but it’s just a great start. It’s not that easy. Discoverability The issue of discoverability is … [Read More]
I recently saw a question on DBA Stack Exchange (it has since been deleted by the author), who had a “special process” that ran regularly, and as part of that process, they disabled the trigger, did some stuff, and re-enabled it. During that process, the … [Read More]
I’m not going to beat around the bush. I hate the SERVERPROPERTY() and DATABASEPROPERTYEX() system functions. Loathing The thing I hate the most about these two functions is that you need to know the right magic spells to make them work. Let’s look at SERVERPROPERTY() … [Read More]
Back in my day, we stored SQL Server Integration Services (SSIS) packages in msdb, or the file system. Well, I’m neither dead nor retired, so that’s not an accurate statement–today is still “my time.” But when I was learning about SQL Server, those were the … [Read More]
For this month’s T-SQL Tuesday, John McCormack (blog|twitter) asks us: “What are your go-to short, handy scripts”? I’ve got so many handy dandy scripts, it was hard to choose. Where to start? I have so many go-to scripts that are short, amazing, and I use … [Read More]
There was a recent post on Database Administrators, where there was some confusion over Daylight Saving Time(DST) in Australian timezones. Let’s be honest though–timezones are confusing, especially when DST comes into play. Arizona Time doesn’t observe Daylight Saving Time, so sometimes it’s the same as … [Read More]
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