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My name is Kenneth Fisher and I am Senior DBA for a large (multi-national) insurance company. I have been working with databases for over 20 years starting with Clarion and Foxpro. I’ve been working with SQL Server for 12 years but have only really started “studying” the subject for the last 3. I don’t have any real "specialities" but I enjoy trouble shooting and teaching. Thus far I’ve earned by MCITP Database Administrator 2008, MCTS Database Administrator 2005, and MCTS Database Developer 2008. I’m currently studying for my MCITP Database Developer 2008 and should start in on the 2012 exams next year. My blog is at www.sqlstudies.com.

Archives: February 2016

Blogger questions: How often should I blog?

What with the #sqlnewblogger effort we’ve been seeing a lot of new bloggers (and some old ones starting up again) and there is one thing that seems to come up over and over again.

How often should I blog?

Let’s start with how often I blog. I post twice a… Read more

10 comments, 1,241 reads

Posted in SQLStudies on 29 February 2016

Powershell script to create multiple SQL Server Connections

As with most of these types of things, I had a need. I want to show how using sys.dm_exec_[requests/sessions/connections] is better than sp_who. Particularly when you have a large number of connections. Well in order to do that I need a large number of… Read more

1 comments, 781 reads

Posted in SQLStudies on 24 February 2016

You are not logged on as the database owner or system administrator.

I had one of my developers ask me why he keeps seeing the following warning when he tries to modify a table:

Well just like it says he doesn’t have dbo access so he might not be able to save his changes.

Let’s start by creating a user with the… Read more

0 comments, 729 reads

Posted in SQLStudies on 22 February 2016

Take caution when altering a column using TSQL

When developing in SQL Server you are eventually going to have to modify a column or two (at least). And if you use T-SQL to make the modifications (and I would recommend it most of the time) there is something you need to watch out for.

First remember that when… Read more

1 comments, 3,947 reads

Posted in SQLStudies on 17 February 2016

varchar(1) VS char(1)

The other day I made a somewhat flip coment on twitter. (I know, everyone is shocked right?)

varchar(1) Really? It’s going to be one of those kinds of days.

It started a rather amusing conversation over using varchar(1) vs char(1) and I thought it might be helpful to go over… Read more

3 comments, 1,534 reads

Posted in SQLStudies on 15 February 2016

Changing to simple recovery to clear the log.

Clearing out a full transaction log is a common problem. A quick search will find you dozens of forum entries and blog posts. Because of that I’m not going to talk about the correct methods of dealing with a transaction log full error. What I want to discuss is why… Read more

3 comments, 554 reads

Posted in SQLStudies on 10 February 2016

Impersonation can give you the wrong answer

I use impersonation all the time to let me see additional permissions information I can only get that way and, sometimes to help me see what permissions error someone is getting.

For those of you who aren’t aware, with the right permissions you can impersonate another principal (server or database)… Read more

1 comments, 458 reads

Posted in SQLStudies on 8 February 2016

Blogger questions: What if someone else wrote about the same subject?

I have a moderately popular blog. In part because I syndicate but largely (in my opinion) because I write a lot of posts (twice a week for > 3 years). Over 340 of them in fact. Because of this a friend asked me what I do if I write a… Read more

8 comments, 558 reads

Posted in SQLStudies on 3 February 2016

Running code on the startup of SQL Server

Every now and again you need to run code when your instance starts up. For example you might want to check if the SQL Agent is running.

Startup Procedures

The first thing you have to do is make sure that the scan for startup procs configuration is set to 1. Read more

1 comments, 1,453 reads

Posted in SQLStudies on 1 February 2016