Let’s quickly outline the main bullet points about the integral part of any data repository – a data catalog. A good data governance starts with the business glossary. It’s obvious that for the data to make sense first we need to define what each data element means. Methodology and choosing the approach to catalog your …
Good software is always a well-designed software. Software engineering takes good thinking, reviewing past solutions and paying attention to the difficulties that we had to go through when making changes, refactoring, testing our solutions.But as we accumulate experience, we inevitably ask ourselves: do we need to reinvent the design all the time?No, of course – …
At the base of a solid technology team is monitoring. Monitoring is your eyes – if you don’t monitor you don’t know if your processes are running fine. In fact you don’t know if they are running at all. Plus, you don’t want to find out about the crash from your business client, right? Incident …
What are the characteristics that make a skilled data modeler? In short, it always helps not only to know technology well, but also to have experience in both working with data and understanding business side of information stored. So the first thing that an aspiring modeler needs to do is to stay very close to …
This is a real-life example: recommendations issued to a client after review of their environments and development processes. The client had a lot ETL coded in Stored Procs and it wasn’t feasible to change that – but still some things could be improved a lot without breaking the bank or causing a revolution – as …
Real-life example: recommendations issued to a client Read More »
Groovy as a dynamic language Groovy can be used to a great benefit to capture branching logic and business rules validation that change frequently. Groovy scripts are interpreted within the JVM, they can provide ability to dynamically modify behavior of a program at runtime. Runtime logic adjustment is an important feature in many business apps. …
Below some of the design pattern we use most often, their purpose and examples. Factory Method Factory method – it’s a creational design pattern that allows subclasses to decide which classes to instantiate, removing this concern from the caller level.The factory method is typically abstract, and subclasses implement their own suitable version, as long as …
How do we introduce microservices to a team that has always had one large application? We could follow the following strategy, called Domain Driven Design. The benefit of DDD is that we can start delivering benefits of microservices fast, without waiting for the entire model to get developed (Big Bang approach). First we need to …
Success of a project and its data model is determined by multiple factors, and one of the critical components of a project is collection of requirements and data flow modeling. Data flow modeling starts with collecting requirements for the New system and documenting the Current system’s data flows. Current physical model is documented first and …
Data flows, Data modeling, Functional and non functional requirements Read More »