Oracle, MySQL, Cassandra, Hadoop Database Training Classes in Training/Buffalo,

Learn Oracle, MySQL, Cassandra, Hadoop Database in Training/Buffalo 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 Training/Buffalo: Oracle, MySQL, Cassandra, Hadoop Database Training

We offer private customized training for groups of 3 or more attendees.

Oracle, MySQL, Cassandra, Hadoop Database Training Catalog

cost: $ 495length: 1 day(s)
We all know - Big Data is here in a Big way. However, processing that data can still be a Big challenge. This ...
cost: $ 1190length: 3 day(s)
In this 3-day course, students will learn how to use Redis's data types efficiently to manage large data sets. Get an understanding why you should use Redis... Learn how to work with Redis data structures and Web applications support and maintenance Learn about Redis Web applications support and components... Learn how to use search-based applications and how to reduce memory use... Learn major ...
cost: $ 1090length: 3 day(s)
The Cassandra (C*) database is a massively scalable NoSQL database that provides high availability and fault tolerance, as well as linear scalability when adding new nodes to a cluster. It has many powerful capabilities, such as tunable and eventual consistency, that allow it to meet the needs of modern applications, but also introduce a new paradigm for data modeling that many organizations do ...
cost: $ 1090length: 3 day(s)
This course introduces the Apache Spark distributed computing engine, and is suitable for developers, data analysts, architects, technical managers, and anyone who needs to use Spark in a hands-on manner. The course provides a solid technical introduction to the Spark architecture and how Spark works. It covers the basic building blocks of Spark (e.g. RDDs and the distributed compute engine), as ...
cost: $ 1190length: 3 day(s)
This course provides an in-depth introduction to the Structured Query Language, or SQL. Students learn key concepts of relational databases and query design, and have extensive opportunities to write database queries. The course also introduces table design and database update statements. ...
cost: $ 790length: 2 day(s)
The Introduction to SQL with PostgreSQL course provides an in-depth introduction to SQL and relational databases, focusing on PostgreSQL as the database management system. The course covers essential topics such as querying and sorting data, filtering records with WHERE, advanced SELECT statements, subqueries, joins, unions, and conditional processing using CASE. Students will also learn to ...
cost: $ 1090length: 2 day(s)
The ability to write the SQL language the cornerstone of all relational database operations is essential for anyone who develops database applications. In this training course, you learn how to optimize the accessibility and maintenance of data with the SQL programming language, and gain a solid foundation for building, querying, and manipulating databases. ...

Cassandra Classes

cost: $ 2250length: 3 day(s)
The Cassandra (C*) NoSQL database is one of the most powerful and widely used non-relational databases available today. It is a fault tolerant, highly scalable database with tunable consistency that meets the demanding requirements of the "can't fail, must scale" systems driving growth for many of the most successful enterprises of today. However, along with that capability comes a new ...
cost: $ 2250length: 3 day(s)
The Cassandra (C*) NoSQL database is one of the most powerful and widely used non-relational databases available today. It is a fault tolerant, highly scalable database with tunable consistency that meets the demanding requirements of the "can't fail, must scale" systems driving growth for many of the most successful enterprises of today. However, along with that capability comes a new ...

Hadoop Classes

cost: $ 1590length: 3 day(s)
Implement Hadoop Solutions throughout the enterprise If you're ready to make the most out of massively scalable analytics, you need to know how to take advantage of Hadoop technologies. With this class, you'll learn how! It focuses on the architecture and approaches for building advanced, Hadoop-based enterprise applications, taking a deeper, code-level dive into delivering real-world solutions. ...

Linux Unix Classes

cost: $ 1890length: 3 day(s)
This course covers the essentials of deploying and managing an Apacheâ?¢ Hadoop cluster. The course is lab intensive with each participant creating their own Hadoop cluster using either the CDH (Cloudera's Distribution, including Apache Hadoop) or Hortonworks Data Platform stacks. Core Hadoop services are explored in depth with emphasis on troubleshooting and recovering from common cluster ...

MySQL Classes

cost: $ 490length: 1 day(s)
Covers advanced MySQL administration topics: replication, optimization and clustering. ...
cost: $ 1690length: 4 day(s)
This course introduces the Apache Spark distributed computing engine, and is suitable for developers, data analysts, architects, technical managers, and anyone who needs to use Spark in a hands-on manner. It is based on the Spark 2.x release. The course provides a solid technical introduction to the Spark architecture and how Spark works. It covers the basic building blocks of Spark (e.g. RDDs ...
cost: $ 790length: 2 day(s)
MySQL is the open source community's most popular Relational Database Management System (RDBMS) offering, and is a key part of LAMP Linux, Apache, MySQL, PHP/Perl/Python. Many Fortune 500 companies adopt MySQL to reap the benefits of an open source, platform-independent RDMS, such as simplifying conversion from other platforms and lowering database Total Cost of Ownership by 90%. This class walks ...
cost: $ 1290length: 4 day(s)
MySQL is the open source community's most popular Relational Database Management System (RDBMS) offering, and is a key part of LAMP Linux, Apache, MySQL, PHP/Perl/Python. Many Fortune 500 companies adopt MySQL to reap the benefits of an open source, platform-independent RDMS, such as simplifying conversion from other platforms and lowering database Total Cost of Ownership by 90%. This class ...
cost: $ 1190length: 3 day(s)
MySQL is the open source community's most popular Relational Database Management System (RDBMS) offering, and is a key part of LAMP/Linux/ Apache/MySQL/PHP/Perl/Python. Many Fortune 500 companies adopt MySQL to reap the benefits of an open source, platform-independent RDMS, such as simplifying conversion from other platforms and lowering database Total Cost of Ownership by 90%. This class ...

Oracle Classes

cost: $ 790length: 2 day(s)
In this class, students will learn how to create, retrieve, and manipulate objects in Oracle 10g Structured Query Language (SQL). Students will also be introduced to Oracle 10g database features and tools. ...
cost: $ 1190length: 3 day(s)
The Oracle 10g release has greatly enhanced the features and functionality of PL/SQL. Students will learn the fundamentals of the PL/SQL programming language. Students will write stored procedures, functions, packages, and triggers, and implement complex business rules in Oracle. Students will learn programming, management, and security issues of working with PL/SQL program units. Programming ...
cost: $ 2250length: 5 day(s)
In this class, students will learn how to create, retrieve, and manipulate objects in Oracle 10g Structured Query Language (SQL). Students will also be introduced to Oracle 10g database features and tools. The Oracle 10g release has greatly enhanced the features and functionality of PL/SQL. Students will learn the fundamentals of the PL/SQL programming language. Students will write stored ...
cost: $ 1190length: 3 day(s)
A Relational Database Management System (RDBMS) is a software system that allows you to create and manage a relational database. Minimum requirements for such a system are defined by both ANSI and ISO. PL/SQL is Oracle's Procedural Language for SQL. It is Oracle's database programming language for creating stored procedures, functions, database triggers, and object methods. PL/SQL can be used for ...
cost: $ 2250length: 5 day(s)
In this class, students will learn how to create, retrieve, and manipulate objects in Oracle 11g Structured Query Language (SQL). Students will also be introduced to Oracle 10g database features and tools. The Oracle 11g release has greatly enhanced the features and functionality of PL/SQL. Students will learn the fundamentals of the PL/SQL programming language. Students will write stored ...
cost: $ 790length: 2 day(s)
In this class, students will learn how to create, retrieve, and manipulate objects in Oracle 11g Structured Query Language (SQL). Students will also be introduced to Oracle 11g database features and tools. ...
cost: $ 1290length: 3 day(s)
A Relational Database Management System (RDBMS) is a software system that allows you to create and manage a relational database. Minimum requirements for such a system are defined by both ANSI and ISO. PL/SQL is Oracleâ??s Procedural Language for SQL. It is Oracleâ??s database programming language for creating stored procedures, functions, database triggers, and object methods. PL/SQL ...
cost: $ 890length: 2 day(s)
In this class, students will learn how to create, retrieve, and manipulate objects in Oracle 11g Structured Query Language (SQL). Students will be introduced to Oracle 12c advanced capabilities database which promote better performance, increased scalability and easier data management. ...
cost: $ 2250length: 5 day(s)
This class will develop the key fundamental skills necessary to be an Oracle DBA. Students will design and create a server using the Optimal Flexible Architecture (OFA),configure logical and physical structures, set up database and user security, add and administer users, and monitor and tune main server areas. Each student will create a toolkit of administration scripts for database management ...
cost: $ 2250length: 5 day(s)
This class will introduce the experienced Oracle DBA to the new features contained in Oracle Database 10g. As students are introduced to the various new features, labs will reinforce the material presented in this course. Once this course is completed, the student will have gained the foundational knowledge to begin to administer Oracle 10g databases. ...
cost: $ 2250length: 5 day(s)
In this class, students will learn how to create, retrieve, and manipulate objects in Oracle 10g Structured Query Language (SQL). Students will also be introduced to Oracle 10gdatabase features and tools. Students will go on to develop deeper insight into relational database design and RDBMS operation, learn concepts and specific SQL syntax for extended Oracle datatypes, learn analysis and ...
cost: $ 2250length: 5 day(s)
PL/SQL is Oracle's embedded procedural database language, allowing developers and administrators to write scripts, stored procedures, functions, packages, and database triggers which run in the optimized environment of the Oracle Database server. The Oracle 10g release has greatly enhanced the features and functionality of PL/SQL. This advanced course helps PL/SQL programmers take advantage of ...
cost: $ 1190length: 3 day(s)
In this class, students will develop deeper insight into relational database design and RDBMS operation, learn concepts and specific SQL syntax for extended Oracle datatypes, learn analysis and tuning techniques to increase SQL performance, and master advanced features of Oracle SQL for large data sets and data warehouses. ...
cost: $ 2250length: 5 day(s)
This class will develop the key fundamental skills necessary to be an Oracle DBA. Students will design and create a server using the Optimal Flexible Architecture (OFA), configure logical and physical structures, set up database and user security, add and administer users, and monitor and tune main server areas. Each student will create a toolkit of administration scripts for database management ...
cost: $ 1590length: 4 day(s)
This four day workshop will get students hands-on with all of the important new Oracle 11g features they will need. Students will start with upgrades and downgrades and move on to real application testing, diagnosability and failure repair. DBA features for memory management, flashback, tables, and new Enterprise Manager tabs will then be covered. The course covers new performance and security ...
cost: $ 2250length: 5 day(s)
This hands-on course teaches students all aspects of Oracle 11g RAC administration. Students will begin with a solid foundation in Oracle Clusterware and RAC architecture. Students will then install and configure both Clusterware and the database software, as well as cover the administration of both pieces of software using command line utilities. Important topics such as failover, flashback, and ...
cost: $ 790length: 2 day(s)
PL/SQL is Oracle's embedded procedural database language, allowing developers and administrators to write scripts, stored procedures, functions, packages, and database triggers which run in the optimized environment of the Oracle Database server. This advanced course helps PL/SQL programmers take advantage of language features, advanced techniques, and packages and facilities provided by Oracle ...
cost: $ 690length: 1 day(s)
This Oracle BI 11g (11.1.1.9) and Exalytics: New Features training explores the new features available in Oracle BI EE release 11.1.1.9.0. Expert Oracle University instructors will teach you how to work with new enhancements to Analyses, Dashboards, Oracle BI Administration Tool and Oracle BI Publisher. Learn To: - Create a BI Mobile App using Oracle BI Mobile App Designer. - Understand the ...
cost: $ 2800length: 5 day(s)
This Oracle BI 11g R1: Create Analyses and Dashboards course for Release 11.1.1.7.0 provides step-by-step instructions for creating Oracle BI analyses and dashboards in business intelligence applications. You'll begin by building basic analyses to include in dashboards, with more complexity as the course progresses. Learn To: - Build analyses and dashboards. - Build and use views and graphs in ...
cost: $ 690length: 1 day(s)
This Oracle BI 11g: Overview training begins with an introduction to fundamental concepts related to business intelligence and dimensional modeling. By participating in a combination of interactive instruction and hands-on exercises, you'll get an overview of the BI Administration Tool, BI Publisher, BI Applications and Exalytics. Learn To: - Identify the analytical business challenge and the ...
cost: $ 2800length: 5 day(s)
This Oracle BI 12c: Build Repositories training teaches you how to build and verify the three layers of an Oracle Business Intelligence (BI) repository, step-by-step. Expert Oracle University instructors will begin by teaching you how to use the Oracle BI Administration Tool to construct a simple repository. Learn To: - Construct the repository. - Import schemas. - Design and build logical ...
cost: $ 2800length: 5 day(s)
This Oracle BI 12c: Create Analyses and Dashboards course for Release 12.2.1 provides step-by-step instructions for creating Oracle BI analyses and dashboards in business intelligence applications. You'll begin by building basic analyses to include in dashboards, with more complexity as the course progresses. Learn To: - Build analyses and dashboards. - Build and use views and graphs in ...
cost: $ 690length: 1 day(s)
This course provides instructions and step-by-step procedures for the new features of Oracle Business Intelligence (BI) 12c, with an emphasis on system administration features and changes. This course is primarily intended for Oracle BI system administrators who are responsible for system configuration, system management, and life cycle operations. ...
cost: $ 1690length: 3 day(s)
This 3-day Oracle BI Applications: Implementation Using ODI training provides step-by-step procedures for installing, configuring, managing, and customizing Oracle Business Intelligence Applications and Oracle Business Intelligence Warehouse. It begins by exploring Oracle BI Applications components and architecture. Learn To: - Identify and describe the products, architecture and key components ...
cost: $ 1690length: 3 day(s)
This 3-day Oracle BI Publisher 11g training will help you build a foundation of understanding how to best leverage this solution. Through Classroom Training or Live Virtual Class Training, you'll learn the ins and outs of how to use this solution. Learn To: - Create data models by using the Data Model Editor. - Create BI Publisher reports based on data models. - Create report layouts by using ...
cost: $ 2400length: 5 day(s)
The single most important new capability introduced with the Oracle 12c release of the database is the multitenant database feature. With this technology, the Oracle database can be a full participant in a cloud computing-based application architecture. Even a traditional on-premise systems architecture can be dynamically and dramatically transformed as a result of this feature. Many traditional ...
cost: $ 2600length: 5 day(s)
This 5-day Boot-Camp teaches you the principal techniques and theories to design Essbase block storage databases. Block storage databases are deployed independently for budgeting, forecasting and planning, and as the underlying data storage and analytic engine for Hyperion Planning applications. ...
cost: $ 1690length: 3 day(s)
The typical Essbase project is a high visibility, high priority development project designed to enhance bottom line performance. This course will help you develop specific Essbase administrative skills so you're able to support these projects. Learn To: - Perform backup, recovery, application migration and task automation. - Optimize Essbase system caches. - Configure the block storage and ...
cost: $ 2260length: 4 day(s)
You learn the principles of aggregate storage database design, then how to build, load, report from, and manage aggregate storage databases, constructing the sixteen-dimension in-class database through a series of guided exercises. Learn to: - Design, develop, and deploy aggregate storage databases - Manage aggregate storage databases - Construct variance, mix, and other member calculations ...
cost: $ 1690length: 3 day(s)
This course, designed for individuals on the implementation team responsible for inline service development and RTD installation and administration, enables participants to perform tasks required to successfully configure and deploy RTD with their operational applications and leverage its provision of decisions as a service. Participants learn about inline services and the elements that support ...
cost: $ 2250length: 5 day(s)
This hands-on course teaches students all aspects of Oracle 10g RAC administration. Students will begin with a solid foundation in Oracle Clusterware and RAC architecture. Students will then install and configure both Clusterware and the database software, as well as cover the administration of both pieces of software using command line utilities. Important topics such as failover, flashback, and ...

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A business rule is the basic unit of rule processing in a Business Rule Management System (BRMS) and, as such, requires a fundamental understanding. Rules consist of a set of actions and a set of conditions whereby actions are the consequences of each condition statement being satisfied or true. With rare exception, conditions test the property values of objects taken from an object model which itself is gleaned from a Data Dictionary and UML diagrams. See my article on Data Dictionaries for a better understanding on this subject matter.

A simple rule takes the form:

if condition(s)

then actions.

An alternative form includes an else statement where alternate actions are executed in the event that the conditions in the if statement are not satisfied:

if condition(s)

then actions

else alternate_actions

It is not considered a best prectice to write rules via nested if-then-else statements as they tend to be difficult to understand, hard to maintain and even harder to extend as the depth of these statements increases; in other words, adding if statements within a then clause makes it especially hard to determine which if statement was executed when looking at a bucket of rules. Moreoever, how can we determine whether the if or the else statement was satisfied without having to read the rule itself. Rules such as these are often organized into simple rule statements and provided with a name so that when reviewing rule execution logs one can determine which rule fired and not worry about whether the if or else statement was satisfied. Another limitation of this type of rule processing is that it does not take full advantage of rule inferencing and may have a negative performance impact on the Rete engine execution. Take a class with HSG and find out why.

Rule Conditions

The original article was posted by Michael Veksler on Quora

A very well known fact is that code is written once, but it is read many times. This means that a good developer, in any language, writes understandable code. Writing understandable code is not always easy, and takes practice. The difficult part, is that you read what you have just written and it makes perfect sense to you, but a year later you curse the idiot who wrote that code, without realizing it was you.

The best way to learn how to write readable code, is to collaborate with others. Other people will spot badly written code, faster than the author. There are plenty of open source projects, which you can start working on and learn from more experienced programmers.

Readability is a tricky thing, and involves several aspects:

  1. Never surprise the reader of your code, even if it will be you a year from now. For example, don’t call a function max() when sometimes it returns the minimum().
  2. Be consistent, and use the same conventions throughout your code. Not only the same naming conventions, and the same indentation, but also the same semantics. If, for example, most of your functions return a negative value for failure and a positive for success, then avoid writing functions that return false on failure.
  3. Write short functions, so that they fit your screen. I hate strict rules, since there are always exceptions, but from my experience you can almost always write functions short enough to fit your screen. Throughout my carrier I had only a few cases when writing short function was either impossible, or resulted in much worse code.
  4. Use descriptive names, unless this is one of those standard names, such as i or it in a loop. Don’t make the name too long, on one hand, but don’t make it cryptic on the other.
  5. Define function names by what they do, not by what they are used for or how they are implemented. If you name functions by what they do, then code will be much more readable, and much more reusable.
  6. Avoid global state as much as you can. Global variables, and sometimes attributes in an object, are difficult to reason about. It is difficult to understand why such global state changes, when it does, and requires a lot of debugging.
  7. As Donald Knuth wrote in one of his papers: “Early optimization is the root of all evil”. Meaning, write for readability first, optimize later.
  8. The opposite of the previous rule: if you have an alternative which has similar readability, but lower complexity, use it. Also, if you have a polynomial alternative to your exponential algorithm (when N > 10), you should use that.

Use standard library whenever it makes your code shorter; don’t implement everything yourself. External libraries are more problematic, and are both good and bad. With external libraries, such as boost, you can save a lot of work. You should really learn boost, with the added benefit that the c++ standard gets more and more form boost. The negative with boost is that it changes over time, and code that works today may break tomorrow. Also, if you try to combine a third-party library, which uses a specific version of boost, it may break with your current version of boost. This does not happen often, but it may.

Don’t blindly use C++ standard library without understanding what it does - learn it. You look at std::vector::push_back() documentation at it tells you that its complexity is O(1), amortized. What does that mean? How does it work? What are benefits and what are the costs? Same with std::map, and with std::unordered_map. Knowing the difference between these two maps, you’d know when to use each one of them.

Never call new or delete directly, use std::make_unique and [cost c++]std::make_shared[/code] instead. Try to implement usique_ptr, shared_ptr, weak_ptr yourself, in order to understand what they actually do. People do dumb things with these types, since they don’t understand what these pointers are.

Every time you look at a new class or function, in boost or in std, ask yourself “why is it done this way and not another?”. It will help you understand trade-offs in software development, and will help you use the right tool for your job. Don’t be afraid to peek into the source of boost and the std, and try to understand how it works. It will not be easy, at first, but you will learn a lot.

Know what complexity is, and how to calculate it. Avoid exponential and cubic complexity, unless you know your N is very low, and will always stay low.

Learn data-structures and algorithms, and know them. Many people think that it is simply a wasted time, since all data-structures are implemented in standard libraries, but this is not as simple as that. By understanding data-structures, you’d find it easier to pick the right library. Also, believe it or now, after 25 years since I learned data-structures, I still use this knowledge. Half a year ago I had to implemented a hash table, since I needed fast serialization capability which the available libraries did not provide. Now I am writing some sort of interval-btree, since using std::map, for the same purpose, turned up to be very very slow, and the performance bottleneck of my code.

Notice that you can’t just find interval-btree on Wikipedia, or stack-overflow. The closest thing you can find is Interval tree, but it has some performance drawbacks. So how can you implement an interval-btree, unless you know what a btree is and what an interval-tree is? I strongly suggest, again, that you learn and remember data-structures.

These are the most important things, which will make you a better programmer. The other things will follow.

data dictionary workThe mainstay of a corporation is the data that it possesses. By data, I mean its customer base, information about the use of its products, employee roles and responsibilities, the development and maintenance of its product lines, demographics of supporters and naysayers, financial records, projected sales ... It is in the organization of this data that advancements to the bottom line are often realized i.e. the nuggets of gold are found. Defining what is important, properly cataloging the information, developing a comprehensive protocol to access and update this information and discerning how this data fits into the corporate venacular is basis of this data organization and may be the difference between moving ahead of the competition or being the one to fall behind.

Whenever we attempt to develop an Enterprise Rule Application, we must begin by harvesting the data upon which those rules are built. This is by no means an easy feat as it requires a thorough understanding of the business, industry, the players and their respective roles and the intent of the application. Depending upon the scope of this undertaking, it is almost always safe to say that no one individual is completely knowledgeable to all facets needed to comprise the entire application.data dictionary

The intial stage of this endeavor is, obviously, to decide upon the intent of the application. This requires knowledge of what is essential, what is an add-on and which of all these requirements/options can be successfully implemented in the allotted period of time. The importance of this stage cannot be stressed enough; if the vision/goal cannot be articulated in a manner that all can understand, the knowledge tap will be opened to become the money drain. Different departments may compete for the same financial resources; management may be jockeying for their day in the sun; consulting corporations, eager to win the bid, may exaggerate their level of competency. These types of endeavors require those special skills of an individual or a team of very competent members to be/have a software architect, subject matter expert and business analyst.

Once the decision has been made and the application development stages have been defined, the next step is to determine which software development tools to employ. For the sake of this article, we will assume that the team has chosen an object oriented language such as Java and a variety of J EE components, a relationsional database and a vendor specific BRMS such as Blaze Advisor. Now, onto the point of this article.

Last year, Hewlett-Packard purchased Autonomy for $10 billion, enduring a number of arrows from its competitor Oracle. What a difference a year is!

 

Since the purchase HP saw the leaving of Autonomy CEO Mike Lynch, which was not on friendly terms. It also saw the departure of the whole original management team and 20 percent of the staff. Now, the question is whether or not HP will see its move compensate or become another WebOS-style fiasco, marking the company needs to stay with hardware.

 

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A successful career as a software developer or other IT professional requires a solid understanding of software development processes, design patterns, enterprise application architectures, web services, security, networking and much more. The progression from novice to expert can be a daunting endeavor; this is especially true when traversing the learning curve without expert guidance. A common experience is that too much time and money is wasted on a career plan or application due to misinformation.

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.
    1. We have provided software development and other IT related training to many major corporations since 2002.
    2. 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…
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