Making SQL sense

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Making SQL sense

+44 (0)20 3051 3595 info@coeo.com

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The Coeo Blog

Cyber Security Monthly News - February 2018

During February, we’ve seen the tech industry warn ministers not to drop EU data laws when Brexit eventually kicks in. We’ve seen the biggest ever DDoS attack, and we’ve seen a robot autonomously open a door while giving us flash backs to one of the more recent Black Mirror episodes (for those..

So, you want to work at Coeo?

This post is for anyone looking to gain an insight into the world of a SQL Server professional or thinking of applying for a position within the Dedicated Support Team here at Coeo. Let me start by explaining what we do within the Dedicated Support Team; we provide a proactive monitoring service..

SQL Agent history - A most confusing dialog box

On a new installation of a SQL Server instance, by default, SQL Agent will automatically manage the job history retention, however this may not work the way you expect it to. This post explains why, and how you should set this up for best results.

First Fix and Second Fix

When DBAs are troubleshooting issues, solutions are sometimes applied in the heat of a critical incident which solve the problem, which are then walked away from because the issue has been “fixed”. With experience and a better understanding of the broader issue of long-term solutions, you..

The (real) difference between the 'SELECT ... INTO' and 'INSERT ... SELECT' statements

In this blog post I will explore the difference between the ‘SELECT … INTO’ and ‘INSERT … SELECT’ statements. I recently moved some data for a customer to a brand-new table due to the bad design of the source table. First, I created the destination table and then I ran the ‘INSERT … SELECT’..

Understanding COPY_ONLY backups

When you have a database which has just been created and is in the FULL recovery model, or you have an existing database you are changing from SIMPLE to FULL, you need to take a full backup before you are able to take log backups, as there needs to be a starting point for the log chain. There is a..

What happens when TempDB grows?

The TempDB database is special in many ways, but an interesting aspect is that when its files automatically grow when they become full, this growth is not persisted and will be undone on the next restart of the SQL Server service. We can see how this works by looking at two system tables:..

Public Speaking - My Favourite Nightmare

Speaking at events isn’t something that comes naturally to me and I think many people who work in the tech industry find computers easier to interact with than humans. Nevertheless, I think public speaking is a really worthwhile skill; whether to small groups or large conferences it’s important..

Learn with Coeo at SQL Bits

SQL Bits is a highlight of the year for European data professionals and this February's conference schedule is shaping up to be an exciting one.

You Must Upgrade SQL Server to Stay Secure

A whole series of “speculative execution side-channel attacks” were disclosed in the first week of 2018, as detailed in this Microsoft article: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180002

Major security events like this highlight the severe risk companies are..