Oracle, MySQL, Cassandra, Hadoop Database Training Classes in Cleveland, Ohio
Learn Oracle, MySQL, Cassandra, Hadoop Database in Cleveland, Ohio and surrounding areas via our hands-on, expert led courses. All of our classes either are offered on an onsite, online or public instructor led basis. Here is a list of our current Oracle, MySQL, Cassandra, Hadoop Database related training offerings in Cleveland, Ohio: Oracle, MySQL, Cassandra, Hadoop Database Training
Oracle, MySQL, Cassandra, Hadoop Database Training Catalog
Cassandra Classes
Hadoop Classes
Linux Unix Classes
MySQL Classes
Oracle Classes
Course Directory [training on all levels]
- .NET Classes
- Agile/Scrum Classes
- AI Classes
- Ajax Classes
- Android and iPhone Programming Classes
- Azure Classes
- Blaze Advisor Classes
- C Programming Classes
- C# Programming Classes
- C++ Programming Classes
- Cisco Classes
- Cloud Classes
- CompTIA Classes
- Crystal Reports Classes
- Data Classes
- Design Patterns Classes
- DevOps Classes
- Foundations of Web Design & Web Authoring Classes
- Git, Jira, Wicket, Gradle, Tableau Classes
- IBM Classes
- Java Programming Classes
- JBoss Administration Classes
- JUnit, TDD, CPTC, Web Penetration Classes
- Linux Unix Classes
- Machine Learning Classes
- Microsoft Classes
- Microsoft Development Classes
- Microsoft SQL Server Classes
- Microsoft Team Foundation Server Classes
- Microsoft Windows Server Classes
- Oracle, MySQL, Cassandra, Hadoop Database Classes
- Perl Programming Classes
- Python Programming Classes
- Ruby Programming Classes
- SAS Classes
- Security Classes
- SharePoint Classes
- SOA Classes
- Tcl, Awk, Bash, Shell Classes
- UML Classes
- VMWare Classes
- Web Development Classes
- Web Services Classes
- Weblogic Administration Classes
- XML Classes
- RED HAT ENTERPRISE LINUX SYSTEMS ADMIN II
8 December, 2025 - 11 December, 2025 - Fast Track to Java 17 and OO Development
8 December, 2025 - 12 December, 2025 - ASP.NET Core MVC (VS2022)
24 November, 2025 - 25 November, 2025 - RHCSA EXAM PREP
17 November, 2025 - 21 November, 2025 - Object-Oriented Programming in C# Rev. 6.1
17 November, 2025 - 21 November, 2025 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
As developers we are overwhelmed with the number of language choices made available to us. It wasn't so long ago that C and it's object oriented sibling C++ where the mainstay of any programmer. Now though we have languages which make certain tasks so easy and simple that we simply cannot afford to ignore them.
In this article we are going to look at the overall differences between Python, Perl and TCL. All formidable and worthy in their own right, but each one has been designed to suit a specific programming need.
1)– Perl is the most mature out of the three languages we are looking at in this article. It was originally designed for processing textual data, and it does so extremely well. Of course Perl has grown over time and can be used for a multitude of different programming scenarios.
The Zen of Python, by Tim Peters has been adopted by many as a model summary manual of python's philosophy. Though these statements should be considered more as guideline and not mandatory rules, developers worldwide find the poem to be on a solid guiding ground.
Beautiful is better than ugly.
Explicit is better than implicit.
Simple is better than complex.
Complex is better than complicated.
Flat is better than nested.
Sparse is better than dense.
Readability counts.
Special cases aren't special enough to break the rules.
Although practicality beats purity.
Errors should never pass silently.
Unless explicitly silenced.
In the face of ambiguity, refuse the temptation to guess.
There should be one-- and preferably only one --obvious way to do it.
Although that way may not be obvious at first unless you're Dutch.
Now is better than never.
Although never is often better than *right* now.
If the implementation is hard to explain, it's a bad idea.
If the implementation is easy to explain, it may be a good idea.
Namespaces are one honking great idea -- let's do more of those!
Before we go to the list do you know what makes software skills most sought-after and hence more valuable than most of the other job skills? It is simply because unlike any other skill, software skills are global and are not at all location specific! With the evolution and penetration of internet technologies, the physical distance between the client and service provider hardly matters. So, with more advancement in technology, it is indeed going to rain opportunities on the right skilled developer. I’ll take the liberty to reproduce the following quotes here to prove my claims statistically:
Demand for “cloud-ready” IT workers will grow by 26 percent annually through 2015, with as many as 7 million cloud-related jobs available worldwide.
---IDC White Paper (November 2012).
In the United States, the IT sector is experiencing modest growth of IT jobs in general, with the average growth in IT employment between 1.1 and 2.7 percent per year through 2020.
---U.S. Bureau of Labor Statistics.

The iconic software company that is based in King County Washington has been getting almost universally slammed from it's recent Los Angeles press announcement about its entry into the hardware business with the convertible laptop/tablet known as Surface.
Certainly I can see the point that it is now competing with its hardware vendors/partners. Intel has done a good job in the arena creating 'reference designs' without competing with its partners.
There is another viewpoint which seems to be ignored. The cold facts are Microsoft is a public company. This puts Microsoft in a legal position of doing the most it can to return value to its shareholders. Failure to do so means somebody is going to jail.
Microsoft has a vision, which at the end of the day is, a certain way to get enough people to see enough value to hand over their money, to fulfill their fiduciary duty.
Tech Life in Ohio
| Company Name | City | Industry | Secondary Industry |
|---|---|---|---|
| Nationwide Insurance Company | Columbus | Financial Services | Insurance and Risk Management |
| Owens Corning | Toledo | Manufacturing | Concrete, Glass, and Building Materials |
| FirstEnergy Corp | Akron | Energy and Utilities | Gas and Electric Utilities |
| The Lubrizol Corporation | Wickliffe | Manufacturing | Chemicals and Petrochemicals |
| Sherwin-Williams | Cleveland | Retail | Hardware and Building Material Dealers |
| Key Bank | Cleveland | Financial Services | Banks |
| TravelCenters of America, Inc. | Westlake | Retail | Gasoline Stations |
| Dana Holding Company | Maumee | Manufacturing | Automobiles, Boats and Motor Vehicles |
| O-I (Owens Illinois), Inc. | Perrysburg | Manufacturing | Concrete, Glass, and Building Materials |
| Big Lots Stores, Inc. | Columbus | Retail | Department Stores |
| Limited Brands, Inc. | Columbus | Retail | Clothing and Shoes Stores |
| Cardinal Health | Dublin | Healthcare, Pharmaceuticals and Biotech | Healthcare, Pharmaceuticals, and Biotech Other |
| Progressive Corporation | Cleveland | Financial Services | Insurance and Risk Management |
| Parker Hannifin Corporation | Cleveland | Manufacturing | Manufacturing Other |
| American Financial Group, Inc. | Cincinnati | Financial Services | Insurance and Risk Management |
| American Electric Power Company, Inc | Columbus | Energy and Utilities | Gas and Electric Utilities |
| Fifth Third Bancorp | Cincinnati | Financial Services | Banks |
| Macy's, Inc. | Cincinnati | Retail | Department Stores |
| Goodyear Tire and Rubber Co. | Akron | Manufacturing | Plastics and Rubber Manufacturing |
| The Kroger Co. | Cincinnati | Retail | Grocery and Specialty Food Stores |
| Omnicare, Inc. | Cincinnati | Healthcare, Pharmaceuticals and Biotech | Pharmaceuticals |
| The Procter and Gamble Company | Cincinnati | Consumer Services | Personal Care |
training details locations, tags and why hsg
The Hartmann Software Group understands these issues and addresses them and others during any training engagement. Although no IT educational institution can guarantee career or application development success, HSG can get you closer to your goals at a far faster rate than self paced learning and, arguably, than the competition. Here are the reasons why we are so successful at teaching:
- Learn from the experts.
- We have provided software development and other IT related training to many major corporations in Ohio since 2002.
- Our educators have years of consulting and training experience; moreover, we require each trainer to have cross-discipline expertise i.e. be Java and .NET experts so that you get a broad understanding of how industry wide experts work and think.
- Discover tips and tricks about Oracle, MySQL, Cassandra, Hadoop Database programming
- Get your questions answered by easy to follow, organized Oracle, MySQL, Cassandra, Hadoop Database experts
- Get up to speed with vital Oracle, MySQL, Cassandra, Hadoop Database programming tools
- Save on travel expenses by learning right from your desk or home office. Enroll in an online instructor led class. Nearly all of our classes are offered in this way.
- Prepare to hit the ground running for a new job or a new position
- See the big picture and have the instructor fill in the gaps
- We teach with sophisticated learning tools and provide excellent supporting course material
- Books and course material are provided in advance
- Get a book of your choice from the HSG Store as a gift from us when you register for a class
- Gain a lot of practical skills in a short amount of time
- We teach what we know…software
- We care…














