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ERwin | DataONE
They would rather have developers manually code the DDL, which creates a lot of mistakes, increases the backlog, and increases not only the time to delivery but the cost to delivery. There is a lack of understanding of the agile methodology around data modeling and the incorporation of the emergent design happening in the scrum teams with the intentional design of the data architect creating a data model. Given an opportunity to follow the correct path and perform data modeling, we have seen a significant return on investment with decreases in delivery time and decreases in project cost.
I would rate erwin Data Modeler a ten out of ten. Sometimes you have an initial idea for a data model and when you try to design it in Erwin you realize that you were wrong in how you approached it. Erwin enforces consistency and accuracy. Quite often I learn something by looking at the generated code. It’s not like I create table statements all day long. I don’t do that generally. So when I use the tool, it generates the correct code in scripts for me which we will then hand off to the DBAs who run them.
I would rate it a six out of ten. It’s frustrating. It could be so much better. The problem is mostly usability. It has little quirks about the way the screen refreshes, things move around, and the workflow when you’re creating columns and tables could be so much better.
I have a love-hate relationship. I’ve used this product for years. I’ve actually gone to training on it at Erwin, so I know what I’m doing with it. I wish they would make it easier to use. I would think if Microsoft bought it, this would be a totally different product. Interestingly enough, Microsoft has tried to come out with data modeling tools a few times, and they are all bad.
They’re basically toys. You can’t use them for anything real, which is surprising to me. You would have thought that they would have had a tool that could compete. There are only a couple of big players out there that Erwin competes with. I looked at just about all of them, and I keep coming back to Erwin, but I hate it nonetheless. There’s nothing better. There are certain tools that are better in certain areas but far worse in others, and so you pick your poison. It is the only meaningful way to do any data modeling.
It is impossible to conceptualize and document complex data environments and the integration between different data subject areas. You can write all the code or DDL you want, but it’s absolutely impossible to maintain any sort of conceptual or logical integrity across a large complex enterprise environment without using a tool like erwin.
You want to look at what you are trying to accomplish with erwin before implementing it. From my perspective of using the traditional relational databases, I think erwin probably works pretty well. For the newer database technologies, such as the Hadoop environment databases, it’s not clear to me how successful erwin is. However, I’m not talking from the perspective of somebody who has been aggressively using the latest version.
I don’t have access to it, so I’m afraid my concerns or issues may not be valid at this point. I will find out when we finally implement the latest erwin version.
I would give the solution a seven or eight out of I would certainly recommend this product to anyone else interested in trying it out. The support from the vendor is great. The tool overall performs well and is a good product to use.
Having a collaborative environment such as the one that erwin provides through the Mart is extremely beneficial. Even if multiple people aren’t working on a single model, it’s nice to have a centralized place to have all the models. It gives us visibility and a central place to keep everything in one place. Also, it supports versioning, which allows us to revisit it at different points in time to go back to in the model, which is really helpful.
We do not use erwin to make changes directly to the database. We have no current plans to increase our usage of erwin other than adding more models. We would rate the solution overall as an eight out of The biggest lesson that I’ve learned in using this solution is to have a data governance process in place that allows you to use erwin more easily, as opposed to it being optional. There are times when people like to do design without erwin, but that design is not architected.
It pays to have some sort of model governance or data governance process in place, so models can be inspected and approved and deployed on database platforms. We use it primarily for first drafts of database scripts, both in a relational database environment and other types of environments. The models represent those physical implementations.
The database scripting part is heavily modified after the first draft to include additional features of those database platforms. So we find erwin DM less valuable through that and we find it more valuable creating initial drafts and reverse-engineering databases.
It cuts development time for us to some degree, maybe 10 percent, but all in all, there are still a lot of extensions to the scripting language that are not included with the erwin product. In our company, there are about users, globally. From time to time the number varies. Most of those users are either the data modelers or data architects.
There are fewer enterprise data architects. The other users would just be erwin Web Portal users who want to have a little bit of an understanding about what’s in a data model and be able to search for things in the data model. For deployment and maintenance of this solution we have about two infrastructure people, in an 8 x 5 support model.
My advice would depend on how you’re going to be using it. I would definitely advise that, at a minimum, you maintain logical and physical views of the data. That’s one of the strengths of the tool.
Also, while this might sound like a minor thing, it’s important to create standard templates — Erwin is good at that — and you can customize them. You can create a standard template so that your models have the same look and feel. And then, anyone using the tool is using the same font and the same general layout.
You should do that early on so that you don’t have to redo anything later to make things look more cohesive. Another feature of erwin is that it can help you enforce your naming standards. It has little modules that you can set up and, as you’re building the data model, it’s ensuring that they conform to the naming standards that you’ve developed. I think that’s something that some people don’t realize is there and don’t take advantage of. The biggest lesson I have learned from using this solution faces in two directions.
One is the ability to engage the business to participate in the modeling. The second is that the forward-engineering and automation of the technical solution make it more seamless all the way through. We can meet with the business, we can model, and then we can generate a solution in a database, or a service, and this tool is our primary way for interacting with those roles, and producing the actual output. It’s made things more seamless. For our use cases and requirements, we are very happy with the erwin product.
If we come across any issues or have any doubts about the tool, we get really good support from erwin support team. They definitely have a positive impact on overall solutioning because of how they design and capture data. This is definitely something any company who is involved with data should look into, specifically when there are many database platforms and dealing with huge volume of data. It is definitely scalable as well, as we are one of the biggest financial institutions and have a very massive Data Models inside this tool.
The biggest lesson learnt from using this solution is how we can capture metadata along with the data structure of the database models. I would rate the newest releas as 9. When our requirement use case change, the solution moves to a newer version and everything works fine. We are happy with that. However, as time goes, a year or two, we might come across some situations where we look for better enhancements of features or newer features.
Take the time, especially if you’re going to use Workgroup, but even if you’re using desktops, to figure out how you’re going to manage the models. They need to have a naming convention. They need to have a directory organization that makes sense to you. They need to have change-control, just like code. You need to figure out how you’re going to use it because once it gets past 50 models, finding something and knowing how to change it and where to change it and where to publish it back out is going to be your biggest headache.
You need to think long-term. It’s easy when you just have a few models. As soon as you have 1, of them, unless you’ve thought ahead, you’re going to have a huge cleanup problem. The biggest lesson I take away from using erwin Data Modeler is that we should all be doing much better library sciences with our data assets than we do.
It can tell you what you need to know about a piece of data, or a row of data as a dataset in a table, or a collection of tables.
You can add information not just about single things but collections of things. We should have many more people whose job it is to add that value.
Right now, companies still mostly use erwin for custom development and it needs to be much more built into documentation of any type of data. I use erwin to do data models of reports and of API calls, for example.
Any data set, to me, qualifies as needing a model so that you can tell what data elements are in it and what that dataset is used for. Through all the years, erwin has done a great job of making things better and better. There are always things that we’re talking about in terms of improving it, but the fact that it’s now starting to integrate better with data governance-type tools so that all of your definitions can move to more of a glossary form, rather than just being in the models, is tremendous.
The more that that’s integrated back and forth, the better it’s going to be. Out of all of the modeling tools, erwin is a 10 out of It hits all the high points for me.
There are some pieces of functionality that competitors come up with, maybe a little bit earlier, but it’s a leapfrog-type of thing. Every time the vendors find that something is needed in the world of modelers, they all start to bring it in. I find erwin to be very responsive to those needs. So now, erwin has NoSQL modeling aspects in the tool and they’re connecting with their own suite of data governance tools.
That means you can push definitions to your data governance tool or bring them back from your data governance tool. It’s starting to become much more of an integrated solution, rather than just a standalone.
If you want good data architecture in your company, you need to have database design done. It’s probably the most important factor for having things clearly modeled and documented.
If you’re using the tool’s functions properly, analyzing the documentation, flagging fields that are NPPI data, it is invaluable for business use. You can generate data dictionaries, you can make sure people are speaking common languages, and you can enforce company standards so that people are doing things in a consistent manner. It’s an invaluable tool. If you want to have good data architecture, you need to have a tool like this. We don’t currently use the collaborative web modeling capability.
We just recently purchased that tool and we are planning on deploying it at the end of Q1 of this year. We don’t use the erwin data transformation for integration to a wider ecosystem. We are actually able to directly do all of the transformations that we need from erwin, so we’re not required to do any transformations. But it can currently support all of the data modeling we need to support, so no transformations are needed.
We have different flavors of people who use the tool. We have people who are dedicated data architects, that’s their full-time job. There is not a technical support engineer currently available to respond to your chat. For prompt service please submit a request using our service request form.
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