211 blogs updated: 14 min. ago
SQL Server (47)PostgreSQL (56)MySQL (27)Oracle (72)Mishmash (6)
Why Did a Plan Get Removed From Cache?
I was recently asked if we could tell why a plan was removed from cache. If you read this blog, you know what I'm going to say next. I check...
22-10-2018 16:44:22 Grant Fritchey SQL Server
How do I look at my error log if SQL won't open?
Quick and easy post today. Hopefully you've opened the error log on a SQL instance. However, what happens if you ... Continue reading
22-10-2018 15:23:37 Kenneth Fisher SQL Server
Announcing The Team Membership
You have a team of database developers and DBAs SQL Server professionals who want dedicated help. You want a predictable bill that includes ...
22-10-2018 15:22:11 Brent Ozar SQL Server
Percona Live Europe Presents … In Their Own Words
For those who are looking forward to Percona Live Europe in just two weeks time and for those yet to make up their minds some of our present...
22-10-2018 14:12:04 Percona MySQL
Ranges with NULLs 2: test cases
When I write SQL there is a bit of trial and error (laughter), so I need as complete a set of test cases as possible. Here's what I came up ...
22-10-2018 12:35:39 Stewart Ashton Oracle
As you might already know that I am a SQL Server Performance Tuning Expert who also acts as a "on-demand consultant" for many organizations ...
22-10-2018 04:35:27 Pinal Dave SQL Server
Oracle wait event ‘TCP Socket (KGAS)'
I was asked some time ago what the Oracle database event TCP socket (KGAS)' means. This blogpost is a deep dive into what this event times i...
21-10-2018 21:32:13 Frits Hoogland Oracle
Identifying High Load Spots in MySQL Using Slow Query Log and pt-query-digest
pt-query-digest is one of the most commonly used tool when it comes to query auditing in MySQL . By default, pt-query-digest reports the top...
21-10-2018 17:45:06 Percona MySQL
18c XE–running locally
There's already a few blog posts out there, showing people (easily) getting their 18c XE instance downloaded, installed and running, so I wo...
21-10-2018 17:39:54 Connor McDonald Oracle
[Video] Office Hours 2018/10/17 (With Transcriptions)
This week, Brent, Erik, and Richie discuss small vendor apps, "Slow in the Application, Fast in SSMS?", virtualization, licensing, msdb back...
21-10-2018 17:36:43 Brent Ozar SQL Server

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Top SQL Blogs is a blog aggregator (with English-written blogs only) focused on MySQL, PostgreSQL, MS-SQL and Oracle databases.