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CA Datacom vs IDERA ER/Studio comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 23, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

CA Datacom
Ranking in Database Development and Management
26th
Average Rating
9.0
Reviews Sentiment
8.6
Number of Reviews
7
Ranking in other categories
No ranking in other categories
IDERA ER/Studio
Ranking in Database Development and Management
8th
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
38
Ranking in other categories
Enterprise Architecture Management (8th)
 

Mindshare comparison

As of June 2025, in the Database Development and Management category, the mindshare of CA Datacom is 1.4%, up from 0.6% compared to the previous year. The mindshare of IDERA ER/Studio is 3.0%, up from 2.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Database Development and Management
 

Featured Reviews

it_user489183 - PeerSpot reviewer
Scalability and the online maintainability of definitions are definite advantages for us
We've had it for so long, so it's status quo. But we've added all sorts of functionality to our applications and there are no issues with databases. Anything developers request, we're able to accomplish. Also, we deal a lot with government regulation - and not to talk about what the company does - but anything that they require of us, because we transmit data back and forth with them, we're able to do that with no problems. And there have been a lot of changes over the past five years that our government dictated regarding what we actually end up doing. So, we're able to be extremely flexible with that.
Aaron Cutshall - PeerSpot reviewer
Used for data modeling and has a scripting language to write your own scripts
The solution has streamlined our data modeling processes quite a bit. It's a central focus in our data modeling and data cataloging efforts. The tool's reverse engineering capability to bring in existing database structures and create models from them has benefitted our data architecture needs. With the tool's data dictionary capability, we're able to maintain consistency in our models, name use, and actual data domains. The solution's reverse engineering helps with understanding legacy databases. In fact, I've been asked to reverse-engineer several more legacy databases so that we can have them modeled and cataloged. The solution is deployed on the cloud server, but it’s only within our network. The solution has a lot of capabilities. I like the fact that it has a scripting language that allows you to automate and write your own scripts. I think that's been a big bonus for us. I highly recommend the solution because of its capability for logical models, where you can put your business definitions and logic. While less expensive, some other tools can't do that. Overall, I rate the solution an eight out of ten.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Scalability is definitely one thing. The size of the database can grow without any issues. We've got one database table that's got over a billion rows in it; quite a bit of data, and it handles access like a champ."
"It is a solid product."
"The initial setup is fairly straightforward for a mainframe product."
"It definitely ​cuts down on our support costs. I do not get woken up in the middle of the night very often for a problem with Datacom."
"Nowadays, CA is doing a lot of improving as far as online maintainability of definitions, which is a huge improvement over the past. I'm able to do a lot of changes without any outage."
"It does the job."
"Developing new dimensional models; for the data we're hosting, dimensional modeling is more useful."
"This application does a lot of things, as do competitor products, but the main reason to go with this product was the ability to create many automations, where we can improve our work and our process."
"The data modeling module is important to me because I am a database developer and designer... It's very fast, reliable, up-to-date, so easy to use, smooth."
"We are able to document the data lineage and data flows of our data from one system to another."
"One of the valuable features is inheritance when joining tables. When setting up RI and domains and rules, ER/Studio does a lot of the grunt, boilerplate code that would otherwise have to be hand-coded."
"Valuable features include the ability to visually represent what the database tables are going to look like and their relationships. Also, the ability to document the definitions of the tables and the columns that are in a table so that we can communicate what the data is and how it should be used."
"Straightforward setup."
 

Cons

"For the "no-outage maintainability" of things, they are making improvements as we speak, but there is definitely still room for more of that."
"The only minor issue that we have had with Datacom is in the installation guide: Some of the sizings for the databases have not really worked out for us, so we had to go in and resize them."
"The model diagram because very clumsy when you save it on the team server and the models are very big."
"The solution's reporting could be improved because the report writer is terrible."
"The screens are a bit outdated. They could use a new look and feel."
"ER/Studio lacks a pure cloud option for deployment."
"Sometimes our version is a little unstable. But I think this problem occurs because our version is old."
"It would be helpful if they could create a generic JSON database type, as a target database, rather than a specific one like Mongo."
"This solution needs more precise documentation."
"The solution is not so strong at creating modeling views and database views."
 

Pricing and Cost Advice

Information not available
"I use the product's trial version."
"Pricing is on point, but do your due diligence - not every developer needs the tool."
"Pricing is expensive and on the higher-end."
"The product is pricey."
"As an individual user, the renewal is a little costly."
"The process of licensing could be much simpler, from our experience."
"I'm a firm believer that all software is overpriced these days but, comparatively speaking, I think ER/Studio is worth the money."
"The solution’s pricing is high."
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Top Industries

By visitors reading reviews
No data available
Financial Services Firm
18%
Computer Software Company
10%
Energy/Utilities Company
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for IDERA ER Studio?
In terms of pricing, ER/Studio is slightly more expensive compared to Erwin, by about five to ten percent.
What is your primary use case for IDERA ER Studio?
I have been working with data modeling tools. Personally, I have been working with Erwin for many years now. ER/Studio is something I am currently trying to evaluate for acquiring it for our organi...
What advice do you have for others considering IDERA ER Studio?
I would strongly recommend ER/Studio for large teams. Erwin is a very stable product, but for smaller teams, it's okay. If I had to rate ER/Studio, I would give it nine out of ten because the absen...
 

Also Known As

DATACOM
IDERA ER Studio, ER/Studio, ER/Studio Enterprise Team Edition
 

Overview

 

Sample Customers

Blue Hill Data Services Inc.
Newmont Mining, Entrust, Accolade, TalkTalk, Catalina, Protective Life, NTT Data, dir systèmes, Microsoft; American Express, Astellas Pharma, AstraZeneca, Coriant, Fedex, GlaxoSmithKline, PepsiCo, Prudential, Wells Fargo
Find out what your peers are saying about CA Datacom vs. IDERA ER/Studio and other solutions. Updated: June 2025.
857,028 professionals have used our research since 2012.