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The Voice of the DBA

The Learning Choice

I advocate learning constantly for those of us in technology. This might be especially important for data professionals as we are at the nexus of so muc activity these days. Data is important, our systems are under scrutiny for security, there is an every growing set of applications that want to connect, and we often struggle to keep up in a fast-paced, DevOps world. It feels like my plate is overflowing with the need to understand PowerShell, JSON, the cloud, Hadoop and its myriad of related technologies on the Microsoft Stack, machine learning, data science, statistics, and when I have time, make sure I'm up to date with SQL.

Recently I've run across a few pieces that ask the question about where to spend time. There's a blog on R v Python (I've seen quite a few of these) and a thread on deciding if ML skills are something a database developer should learn. These are just a few of the ones I've seen in the last month, as I guess lots of people are thinking and writing about New Year resolutions and goals.

We have a limited amount of time for learning each day, week, month, or year. We might be able to increase that for a short time, perhaps months, but all of us need some balance in life. Given that there's a limited amount of time, and that we need some focus and practice over time to absorb skills, where do you spend your effort in learning?

Jeff Moden is an advocate of you sharpening your T-SQL skills with deep learning, as he sees this as one of the main reasons that applications perform poorly (and people post in our forums). Others lean towards adding new skills, perhaps adding SSIS proficiency or transitioning your analysis skills to Extended Events. Still others might seek to become more generally rounded by spending time on C# or Python.

There are also other views, such as focusing on the skills you need in your current position. If you're not happy, maybe you want to devote learning effort to get a job in an area where you're passionate. Or maybe you just want to make more money, and are willing to spend time in those technologies that are paying more.

The choice is up to you, and I can't give you the answer that suits your path. You must find a balance between work and the rest of life, and make the choices that best fits you. I don't want to imply this is easy. Thinking about the things that really matter to you and affect how you approach each day is a difficult exercise. My advice is that you go in one of two ways. If your career is something that you feel passionate about, focus your learning in a way that will help you find a job that brings you purpose. If you just need a job to pay the bills, learn things that increase your earnings, but ensure that you have family, faith, hobbies, or some other endeavor outside of work that brings purpose and fulfillment to you.

Steve Jones from SQLServerCentral.com

Join the debate, and respond to today's editorial on the forums


The Voice of the DBA Podcast

Listen to the MP3 Audio ( 5.0MB) podcast or subscribe to the feed at iTunes and Libsyn. feed

The Voice of the DBA podcast features music by Everyday Jones. No relation, but I stumbled on to them and really like the music.

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Featured Contents

 

Adaptive Query Processing – Interleaved Execution

Wayne Sheffield from SQLServerCentral.com

Interleaved Execution allows SQL Server's query optimizer to get accurate cardinality estimates in places where it couldn't before. More »


 

Mobile Report Publisher – Dashboards Everywhere

Additional Articles from SimpleTalk

The new feature, Mobile Reports, was added to SSRS in 2016. It provides the ability to create attractive and useful dashboards that can run on devices and most browsers. Robert Cain shows you how to get started building Mobile Reports with the Mobile Report Publisher. More »


 

Introducing database automation with the SQL Toolbelt

In this post, Mary Robbins explains how Absa bank improved development efficiency and minimized risk by implementing SQL Toolbelt. More »


 

From the SQLServerCentral Blogs - Managing SQL Prompt Code Analysis Rules

Steve Jones from SQLServerCentral Blogs

I work for Redgate and write about products. I’ve got a series of SQL Prompt posts here on little things... More »


 

From the SQLServerCentral Blogs - Layman’s Guide to Performance Tuning

MarlonRibunal from SQLServerCentral Blogs

Performance tuning is one of those things that is hard to get right when you do not have an established... More »

Question of the Day

Today's Question (by Steve Jones):

I ran this code in my database:

CREATE RULE dbo.DBASalaryRange
AS
@salary > 52000
AND @salary < 99000;
GO
EXEC sys.sp_bindrule @rulename = N'dbo.DBASalaryRange' ,
                     @objname = N'dbo.Employees.Salary';

GO 

Now I execute this:

CREATE RULE dbo.NewDBASalaryRange
AS
@salary > 52000
AND @salary < 150000;
GO
EXEC sys.sp_bindrule @rulename = N'dbo.NewDBASalaryRange' ,
                     @objname = N'dbo.Employees.Salary';

GO 

What happens when I execute this statement?

UPDATE dbo.Employees
 SET Salary = 120000
WHERE EmpID = 1 

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Yesterday's Question of the Day

Yesterday's Question (by Steve Jones):

I have a dataframe called "sacks" that looks like this:

> sacks
# A tibble: 5 x 5
   Rank Player                        Sk Years     Tm   
                               
1     1 "Bruce Smith+\\SmitBr00"     200 1985-2003 2TM  
2     2 "Reggie White+\\WhitRe00"    198 1985-2000 3TM  
3     3 "Kevin Greene+\\GreeKe00"    160 1985-1999 4TM  
4     4 "Julius Peppers\\PeppJu99"   154 2002-2017 3TM  
5     5 "Chris Doleman+\\DoleCh00"   150 1985-1999 3TM

I have a second data frame that looks like this:

> sacks2
# A tibble: 5 x 5
   Rank Player                          Sk Years     Tm   
                                 
1     6 "Michael Strahan+\\StraMi02"   142 1993-2007 nyg  
2     7 "Jason Taylor+\\TaylJa03"      140 1997-2011 3TM  
3     8 "DeMarcus Ware\\WareDe99"      138 2005-2016 2TM  
4     9 "Richard Dent+\\DentRi00"      138 1983-1997 4TM  
5    NA "John Randle+\\RandJo00"       138 1990-2003 2TM   

If I want to combine these into sacks1to10 as a single data frame with the same number of columns which command do I use?

Answer: sacks1to10 <- rbind(sacks, sacks2)

Explanation:

The rbind function will combine the rows of two data frames into 1 with the same number of columns.

Ref: rbind - Combine R objects by rows or columns - click here


» Discuss this question and answer on the forums

Featured Script

Remove Database Encryption Key on all user databases

PremKumar Raju from SQLServerCentral.com

This script can be used to remove transparent database encryption on all the user databases. 

If the database size is big the decryption process may time and you need increase the time in the WAITFOR DELAY option in the code.

More »

Database Pros Who Need Your Help

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