The blog of Andy M. Mallon

Databases, technology & the people behind them.

Notes from the work, the community, and everything in between.

What’s wrong with DELETE EXISTS?

I loved playing Number Munchers on my Apple IIc This morning, when I logged into Twitter, the tweet at the top of my timeline was from Shane O’Neill (blog|twitter). It was to his blog post, Shane, What’s wrong with DELETE EXISTS?. It’s not that unusual that …

Continue reading

LGBT+ Meetup at PASS Summit 2017

UPDATE: Unfortunately, due to a change in plans, I'm not going to be at PASS Summit this year, so I won't be hosting this meetup in 2017. Check out details here. Last year, I organized an (unofficial) PASS Summit LGBT Meetup. It was a bit of a last-minute …

Continue reading

Transaction log growth during BACKUP

Over on Stack Exchange, someone asked why their transaction log was growing very fast during a full backup. An interesting tidbit to this question is that the database is in SIMPLE recovery – so the log should stay tiny, right? Wrong. While taking a full …

Continue reading

Congratulations 2017 Microsoft MVP!

Earlier this month, I got an email with the subject line “Congratulations 2017 Microsoft MVP!” I immediately commenced doing a Snoopy happy dance (my dog, Callie, picked up on the excitement and joined in). If you aren’t familiar with the MVP Program, you …

Continue reading

SQLSaturday Boston 2017 Roundup

SQL Saturday Night Fever SQLSaturday Boston was February 25. I was invited into the organizing team in 2015, and this was my third time helping to put together the event. But this time was different. This time, I was running the show. I wanted to do a quick …

Continue reading

Customizing SSRS Sender Address

In SQL Server Reporting Services (SSRS), you can configure the sender address for email subscriptions at the instance level. This means that every email sent from your SSRS server will come from the same address. (On each subscription, you can optionally …

Continue reading

Building a Twitter-bot RSS Aggregator

I hate RSS readers I love my new bot For some reason, about once a year, I go hunting for a new RSS reader so I can keep track of blogs that I like to read. It’s always the same process: Dig through reviews to find an app that I think I will love. Come up with …

Continue reading

Community Influencer of the Year

© NY Times, Carl Richards Last night, I was sitting at home with my husband, when I got an ominous message from Aaron Bertrand (blog|twitter): You up? I'm about to blog about you. You've been warned. ~ Aaron Bertrand Uhhh.... OK? It was 10:30 on a Friday …

Continue reading

T-SQL Tuesday #83: Roundup

For this month’s T-SQL Tuesday, I asked people to blog about the same old problems we’ve been dealing with for years. There were some great posts, including a batch of first-time contributors. You’ll notice some overlapping themes as you read through these …

Continue reading

Job hunting is like dating

Most of us spend at least eight hours per day working. In America, we spend an average of 25 minutes commuting, each way. That’s nine hours dedicated to work every day. You probably see your coworkers as much as you see your friends and significant other. …

Continue reading