Oracle, MySQL, Cassandra, Hadoop Database Training Classes in Waukesha, Wisconsin
Learn Oracle, MySQL, Cassandra, Hadoop Database in Waukesha, Wisconsin 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 Waukesha, Wisconsin: Oracle, MySQL, Cassandra, Hadoop Database Training
Oracle, MySQL, Cassandra, Hadoop Database Training Catalog
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- RED HAT ENTERPRISE LINUX AUTOMATION WITH ANSIBLE
15 September, 2025 - 18 September, 2025 - Fast Track to Java 17 and OO Development
5 May, 2025 - 9 May, 2025 - RED HAT ENTERPRISE LINUX SYSTEMS ADMIN I
19 May, 2025 - 23 May, 2025 - ASP.NET Core MVC (VS2022)
7 July, 2025 - 8 July, 2025 - RHCSA EXAM PREP
16 June, 2025 - 20 June, 2025 - See our complete public course listing
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Learning SQL development can seem like an overwhelming task at first. However, mastering just a few key points will help ease your way through 80 percent of the day-to-day challenges when writing stored procedures and solving common problems. Here are three important SQL development factors to keep in mind:
Outer Joins
One of the most crucial things to understand in SQL server are joins. Joins are a way to retrieve data from two or more tables based on logical relationships between them. Joins dictate how Microsoft SQL Server ought to use data from one table to select the rows in another table.
In my experience inner joins are intuitive while outer joins can present additional hours of grief by overlooking associations in the other table(s). The outer join is the key to answering questions about what the database does not have. For example, if you need to make a query to display all the students who are without report-cards, you’ll need a left join to get all students coupled with a “where clause” to return the ones who have nulls for their report card table columns in the results.
Many talented Java script programmers have muddled through the SQL Server by deficient coding around the inner join. As a result, their queries can take five hours to run, whereas, properly written left joins, can take only two seconds to run.
Aggregation
Grouping results comes up in SQL a lot more than you might think. Knowing how to write a query when answering questions such as, “What’s the average grade for each teacher’s student list?” is invaluable. This kind of question cannot be answered with a single table or solely by joins. You’ll often find you need to use joins in conjunction with group by statements. Always write the raw query first and then look at the results. Next, you have to figure out the best way to group them, rewrite your select clause and add a group by clause in the end.
Digging Through Data
I find this is the most lacking skill in many programmers. In fact, many otherwise-talented programmers holding Master’s Degrees fail to get jobs because they couldn’t analyze rows of data objectively during interviews. It’s just something that’s not taught but is crucial to get under you belt. Why? Eventually, some query is not going to perform as you may expect. And, the only way to find discrepancies is to look at rows of data, identify what join isn’t finding a match or where bad data is throwing things into chaos. Get familiar with how joins actually work, even if you have to manually walk through the logic of a large stored procedure’s tree of joins. It’s boring and time-consuming but absolutely necessary.
Take the time to master the core skills that will make you a successful SQL Programmer and avoid queries that run for five hours!
The Context Of Design Thinking And Its Application In Employee Skill Training
The RSS feed, which commonly stands for Really Simple Syndication, is an internet protocol that helps spread the availability of frequently published or updated Internet content.
RSS Benefits for an Internet Content Provider or Blogger
The use of an RSS feed saves immeasurable time for a content provider. When an interested person subscribes to an RSS feed, the owner of that feed now has a way to reach large numbers of people without having to resort to spamming techniques. The RSS feed also allows a content provider to send the requested topical information without specifically asking, every time, to those people who have subscribed. The content provider uses a program, written in XML code to make the information they post available to each person that has requested a subscription to that particular RSS feed.
RSS Benefits for the Average Internet User
The Internet grows larger by the minute. It is easy for a person to have information overload. The use of an RSS feed gives an individual more control over what information they see while on the Internet. It is also very useful for anyone that wants to stay up to date. Subscribing to the RSS feed for a topic of interest automatically provides the subscriber continued availability of the latest information on that topic. The Internet user relies on a small program called an RSS Feeder to gather the information on the RSS feeds to which they have subscribed.
Most browsers these days have built in RSS readers making that gathering the desired information easier than ever to accomplish. Joining an RSS feed is a very simple thing to accomplish.
RSS Benefits for Small Businesses
More and more Small Business owners are adapting targeted online marketing campaigns such as RSS Feeds in order to provide relevant content to new and existing customers. Maintaining web content such as: company news; contests; promotional events; related articles; notifications; product launches; directories; and newsletters are examples of ways of staying in touch with customers in any niche market. As search engines retrieve information from RSS Feeds and content is syndicated to other websites, chances of increased traffic are inevitable. For active websites, RSS feeds are invaluable tools for small business owners.
USA.gov Updates: News and Features
Search for RSS feeds (search topics)
Welcome to Google Reader (find and keep track of interesting stuff on the web.)
NPR public radio station (popular, news, program and topics RSS feeds)
RSS in Plain English (video)
10 Helpful Uses of RSS Feeds for Marketing
IT Job Roles and Responsibilities
1. Project Manager
A project manager, in this case, is someone that plays a managerial role in a company’s project. In fact, this is one of the most important IT job roles. The manager is responsible for his or her team. He or she makes sure that deadlines are met, and the project proceeds as planned. It mainly includes planning, design, initiation, monitoring, execution, and control.
2. IT Director
In most cases, the term director is associated with big positions in a company, and is often associated with a board role. As one of the top IT job roles, the IT director is responsible for planning, managing and executing the core-infrastructure of a company. The primary role of the IT director is to oversee all the technology operations within the firm. The director then evaluates what his or her team does to make sure that the activities are in line with firm’s main objectives. On top of that, the IT director makes sure that all departments have their technology needs met by his or her team.
3. IT Manager
The rank of an IT manager is definitely lower than that of a director, however, the role is still very crucial for any IT department. Every IT department has staff members that are meant to deliver results at the end of the day. The IT manager supervises most of the workers in the IT department. He or she is in charge of motivating them and making sure that they do what they are supposed to do. The IT manager’s roles include monitoring, planning, coaching, disciplining employees, and counseling.
4. Software Engineer
This position can also be referred to as a software architect, system engineer or application programmer. The main work typically involves creating and programming system-level software such as database systems, operating systems, and embedded systems. Their primary role is to ensure that they understand how both software and hardware work and to use them appropriately. However, the responsibilities don’t stop there. The software engineer is also required to interact with both colleagues and clients to explain which system or solution is going to be more suitable for use.
5. Systems Analyst
A systems analyst can also be called a solutions specialist, product specialist or a systems engineer. Their primary work mainly involves identifying, analyzing, and coming up with new information systems that will provide a viable solution. This is mostly done as a response to the requests of customers or just for the business. They also have to make sure that they determine the costs and total time required to bring the information systems into effect.
6. Helpdesk Support
There are times when your team could encounter system problems. Perhaps, a piece of hardware or software has malfunctioned. You need helpdesk support to deal with such issues. This is a professional that knows about common computer problems. Without them, business operations could stall because an employee can be stranded, and there’s no one to help.
7. Network Designer
As much as helpdesk support can solve most IT problems, there are other issues that they can’t solve. You may experience system shutdowns or slow internet. In that case, you need an expert in maintaining communication systems. These professionals will also be responsible for setting up cyber security systems for the organization.
IT involves many job roles and responsibilities that all work hand-in-hand to deliver results. As you begin your business, you should know about these roles so that you can know which ones are going to be the most suitable for your firm.
Tech Life in Wisconsin
Company Name | City | Industry | Secondary Industry |
---|---|---|---|
We Energies | Milwaukee | Energy and Utilities | Gas and Electric Utilities |
Bemis Company, Inc. | Neenah | Manufacturing | Plastics and Rubber Manufacturing |
Regal Beloit Corporation | Beloit | Manufacturing | Tools, Hardware and Light Machinery |
Manitowoc Company, Inc | Manitowoc | Manufacturing | Heavy Machinery |
Briggs and Stratton Corporation | Milwaukee | Manufacturing | Tools, Hardware and Light Machinery |
Mortgage Guaranty Insurance Corporation (MGIC) | Milwaukee | Financial Services | Lending and Mortgage |
A.O. Smith Corporation | Milwaukee | Manufacturing | Tools, Hardware and Light Machinery |
Sentry Insurance | Stevens Point | Financial Services | Insurance and Risk Management |
Rockwell Automation, Inc. | Milwaukee | Manufacturing | Tools, Hardware and Light Machinery |
Bucyrus International, Inc. | South Milwaukee | Manufacturing | Heavy Machinery |
Diversey, Inc. | Sturtevant | Manufacturing | Chemicals and Petrochemicals |
Alliant Energy Corporation | Madison | Energy and Utilities | Gas and Electric Utilities |
Plexus Corp. | Neenah | Manufacturing | Manufacturing Other |
Spectrum Brands Holdings, Inc. | Madison | Manufacturing | Tools, Hardware and Light Machinery |
Kohl's Corporation | Menomonee Falls | Retail | Department Stores |
Snap-on Tools, Inc. | Kenosha | Manufacturing | Tools, Hardware and Light Machinery |
Fiserv, Inc. | Brookfield | Software and Internet | Data Analytics, Management and Storage |
CUNA Mutual Group | Madison | Financial Services | Insurance and Risk Management |
Oshkosh Corporation | Oshkosh | Manufacturing | Heavy Machinery |
Modine Manufacturing Company | Racine | Manufacturing | Manufacturing Other |
Northwestern Mutual Life Insurance Company | Milwaukee | Financial Services | Insurance and Risk Management |
Joy Global Inc. | Milwaukee | Manufacturing | Heavy Machinery |
Harley-Davidson, Inc. | Milwaukee | Manufacturing | Automobiles, Boats and Motor Vehicles |
American Family Insurance | Madison | Financial Services | Insurance and Risk Management |
Johnson Controls, Inc. | Milwaukee | Manufacturing | Heavy Machinery |
ManpowerGroup | Milwaukee | Business Services | HR and Recruiting Services |
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 Wisconsin 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…