Jeff Pries

Business Intelligence, SQL Server, and other assorted IT miscellany

Office Hijinks: Halloween 2016 – Haunted Office Cemetery

Office Halloween 2016

What better way to celebrate one of the mot fun holidays of the year than with a few office shenanigans?  This year, we decided to go big and built a giant haunted cemetery, complete with crypt, sound effects, and fog machine in the office.  It was pretty incredible!

It took us around 2 weeks from start to finish, with one very long weekend piecing everything together, but it came out pretty well.  The best and most haunted Office Cemetery I’ve ever seen!  Check out the full album below.

 

 

The Haunted Office Cemetery

 

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October Lunch and Learn Presentation – Intro to Data Visualization

October Lunch n LearnLunch and learns are a great way for a team to learn new things, share that knowledge with each other, and practice presentation skills.  We typically do casual 30 minute sessions in a group of IT developers which range from .NET to SQL Database to Business Intelligence.

For our October, Halloween-themed presentation, I chose to give an introductory presentation on data visualization, titled “Avoiding the Horrors of Scary Visualizations: An Introduction to Data Visualization.”  The presentation was targeted toward people with no background in data visualization and started with a quick history and some of the key players (Tufte and Few), bridged into some tips and best practices, and closed with a number of examples of “scary” visualization examples.

Overall, the presentation went very well and seemed to be well received.   The  full presentation is available here.

 

Microsoft Certifications and Beta Exam 70-768 First Impressions

successfailsignRecently, I had the opportunity to participate in the beta period for the new Microsoft 70-768, “Developing SQL Data Models” exam.  As part of the development process for new exams, Microsoft periodically offers invitations to take a beta version of the exam free of charge.  Passing an exam while in the beta period results in passing the test officially when it is released.  However, there are a few catches to this.  The first of which is that these betas are designed to be taken by people who already have knowledge of a subject and work with it on a regular basis.  Since the exam is brand new, there are no official study materials to study, and there is typically a short window of time between the announcement and close of the beta period, so there isn’t a lot of time to prepare.  These exams also aren’t for those that feel the need for instant gratification, as it may take a month or longer to receive score results to ultimately find out if you passed or failed.  But, the wait is for a good cause as the beta exams are used to determine the final versions of the exam as well as passing scores, which must be completed before the beta exams can the go through the scoring process to be officially scored.

For those interested in taking a beta exam and qualified to do so, I’ve found that Microsoft usually announces the availability of a limited number of seats via the Born to Learn blog which are available until the allocated number of exams are scheduled.  For this last batch of SQL Server beta exams, 300 seats were made available for each exam.  This may sound like a lot, but this is worldwide, so you have to act fast.  I’ve found that if you don’t act within the first day or maybe two of the announcement, you will probably be too late.  Once announced, you typically have to have the exam scheduled in a proctored environment within around a month of the announcement.

Like all Microsoft certification exams, the beta exams are covered by an NDA protecting the exam content, so I won’t go into exam specifics, but I do have a few general thoughts about the exam and process.  It is interesting to see how the Microsoft exams in general have changed and matured over the years.

  • I’d classify this exam as “tough, but fair” with a heavy amount of reading.  I underestimated the amount of reading, and was thoroughly exhausted at the conclusion of the exam.
  • Due to the length of the questions and answers, and re-reading questions and answers, I used almost all of my time allocated for the exam.
  • The published Exam Objectives were very representative of the exam content (shockingly so) and make a very good framework for preparing for the exam.
  • How an exam is scored is always a black box, but some questions do make mention of how they award partial credit, such as “1 point per part of correct answer” which I found to be a welcome change — nice to know for sure that partial credit is at least possible in some cases.
  • The test engine itself is new since the last time I took an exam and seemed to work well with one exception.  An exam may be made up of a combination of “reviewable” questions in which you can go back and “non-reviewable” questions in which you cannot go back.  I’m sure there’s an intelligent reason for this.  The way the engine handled this, however, is to go through the reviewable questions first, then allow for the standard review and change process, then proceed to the non-reviewable questions with the remaining time — only it really didn’t do a good job of explaining this process.  Instead, I saw the question count, such as “50 out of 60,” hit next, then it proceeded to the review screen, which I thought was a glitch in the question count, no big deal…so I spent a bit too much time reviewing, only to have it launch into the next set of questions with not much time remaining once I finished review.  It’d work a bit better if the non-reviewable questions came first or it gave a can’t-miss screen of explanation to allow for better budgeting of time.
  • The question types are made available here .  Not all types will necessarily be present in all exams and the Build List is definitely a type to be very familiar with, as it seems quite popular.

 

 

I’m currently eagerly awaiting my results, and probably will be still for some time as the beta period has just closed.  Should I not pass, I look forward to attempting it again, possibly in the new online proctored format, which I’m curious to try out.

 

SQL Saturday Roundup: #560 – Charlotte, NC

SQL Saturday 560 - Charlotte, NCThis past Saturday marked Charlotte’s 5th consecutive SQL Saturday event, and my 4th in Charlotte (I missed last year’s due to a scheduling conflict) — SQL Saturday # 560.  Also fun, this happened to mark the 20th SQL Saturday that I attended over the past few years — a pretty cool achievement!

As a change to this year over previous years, this year SQL Saturday Charlotte offered 2 all-day precons on Friday, both of which would sell out.  With a “go big or go home” type attitude, they made life very difficult and forced me to choose between two incredible spears and presentations:  Adam Machanic’s (B | T) “Tuning Your Biggest Queries” and Jen Underwood’s (B | T) “Advanced Analytics”  With two fantastic speakers to choose from, each with a great, and relevant, session, I had some decisions to make.

After an easy drive from north Atlanta to Charlotte after work on Thursday, I headed out bright and early Friday morning to attend Jen Underwood’s (B | T)  “Advanced Analytics”  The precons were held in an off-campus location, the Ballantyne Center, which worked out to be a pretty decent venue.  Adam’s precon was held in a standard classroom and Jen’s precon was held in a computer lab, which provided each person a computer with a solid network connection and the ability to follow along with the presentation slides and run the lab exercises locally.

Jen Underwood presenting Advanced Analytics

Jen Underwood presenting Advanced Analytics

Jen’s Analytics precon was an excellent session and a great introduction to the topic.  The topic is far too deep to cover in a single day session, but Jen did a good job of hitting the highlights and getting people introduced to the material and inspired by the possibilities of the subject with plenty of resources for further learning.  This was certainly time well spent!

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SQL Saturday Roundup: #521 – Atlanta, GA

SQL Saturday Roundup: #521 – Atlanta, GASQL Saturday 521

This past Saturday marked the annual event that many of us look forward to all year long.  Called by some to be the “Summit of the South,” SQL Saturday Atlanta is always a large and very professionally run event which draws hordes of SQL Server Professionals nationwide.  Again, this year, the event did not disappoint.  Despite the initial overcast and rainy weather which opened up the day, a record number of 590 attendees attended this awesome event!

For the second year in a row, I volunteered my time to help make the event as great as it could be.  For the first time in the past few years, I was did not attend any of the event’s preconference sessions, which typically run all day on Friday.  That being said, the sessions that were being given were excellent topics which were presented by some truly great speakers.  I’m sure everyone who attended learned a ton and had a great time.

While I didn’t attend any preconference sessions on Friday, SQL Saturday Atlanta did still begin for me on Friday when I headed over to the site Friday afternoon to begin helping with prep.  We had a great group of organizers and volunteers onsite to perform the bag stuffing and venue setup.  Additionally, this year, the decision was made to pre-print all of the attendee admission tickets, name badges, and raffle tickets (rather than relying on attendees to pre-print their items at home prior to the event to bring them with).  This allowed for nicer name badges and perforated raffle tickets to be used, but was a very laborious process collating and assembling the packets for the morning’s registration.  I ended up spending all of my time Friday afternoon helping out with the registration packet assembly process.

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Microsoft Excel Unable to Connect to SQL Server Analysis Services

Microsoft_Excel_2013_logo.svgRecently, I experienced an issue trying to get a new installation of Microsoft Excel 2016 to connect to SQL Server 2014 Analysis Services Multidimensional.  Whether I would try to connect directly from Excel, via the “From Other Sources” menu or via the Cube Browser in SQL Server Management Studio, I would receive an error that Excel was unable to connect to the database.

I verified that the service was running, firewall not blocking it, and credentials good.  Read on for the solution to this issue.

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Learning MDX Part 2 – Let’s Get Visual

ssaslogoMost introductions start with an explanation of cubes and MDX and then work their way toward the syntax and structure of a query and then start to cover the various syntax options in increasing difficulty.  While that is a great approach, sometimes you just need to get going right away.  Fortunately, MDX actually has a few good visual methods of querying an existing cube to access data without necessarily needing to know the syntax and theory (however, that doesn’t hurt!).  This post is going to cover a few of the visual methods of querying a multidimensional analysis services cube.

All that being said, it does still help to understand the structure of your data and the various relationships before trying to query it.  I’m using the Adventure Works 2014 Data Warehouse and Analysis Services data sets (previously discussed here).  The Adventure Works 2014 Data Warehouse contains a number of different fact tables and related dimensions.  I primarily use FactInternetSales (and its related dimensions) which is data for the Internet Sales of Adventure Works.  The diagram for the relational data warehouse database can be seen below.

Adventure Works 2014 Data Warehouse Internet Sales diagram

Adventure Works 2014 Data Warehouse Internet Sales diagram

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Learning MDX – Resources

ssaslogoThis post serves as a full reference of all of the resources I used while on my journey to learn MDX / SSAS Multidimensional.  I’ll try to keep this post updated with an index of resources as I consume them.  Some will be free, some will not, I’ll note which are which.

 

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Learning MDX Part 1 – Introduction and Environment

ssaslogo

Recently I had the need to start learning MDX to query against an existing Microsoft SQL Server Analysis Services (SSAS) cube. As this can be a long and difficult journey, I thought it’d be useful to make notes about specific things I learn as well as to list and review resources I find along away. I will be paying special attention to using MDX with SQL Server Reporting Services (SSRS) as this is a very common usage scenario, but one in which there are sparse learning resources.

I’ll try to keep this post updated with an index of resources as I consume them.  Some will be free, some will not, I’ll note which are which.  But first, some housekeeping:

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Office Hijinks: The Treasure of Premiere Parkway

The assembled treasure map in the bottle of grog.I’ve been known, from time to time, to execute a fun and harmless over-the-top creative office prank.  With my upcoming departure from my current organization, I thought it might be fun to launch one last bit of fun, timed to be found at some point after i’d left.

I’d always liked the idea of hiding something (non-evil) in my desk to be found at some point by a future inhabitant of the desk.  I’d also heard of someone else calling the job documentation they were leaving behind a “treasure map.”  So, that’s where the idea was born — why not leave behind an actual treasure map to an actual treasure?  And if a treasure map is going to be created, then of course we’re going to need a pirate theme!

I had grand plans and ideas on how to make a fairly involved hunt — but, due to time restrictions and actually wanting this to be found, I decided  on a simpler approach to a basic map and instructions which led directly to buried treasure.  I had one other speed bump encountered at the last minute — my office and desk were to be reworked the day I was leaving, so leaving clues strategically placed there wasn’t going to work.

Never fear!  I managed to leave a small clue in a common area of the office (which managed to go unnoticed for a week) which then led treasure hunters to the map, which ultimately led to the prize hidden outside in the woods.  The hunt was great fun and was a great success!  Hopefully it was enjoyed by all.

 

 

The unfolded treasure map with its bottle.

The unfolded treasure map with its bottle.

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