Click to learn more about author Michael Blaha. A symmetric relationship is a self-relationship with the same multiplicity and role name on each end. Symmetric relationships are acceptable for conceptual models. But they are problematic for logical and physical models – you should rework the model to eliminate them. An Example For an example, consider […]
LDM Webinar: UML for Data Modeling – When Does it Make Sense?
To view just the slides from this presentation, click HERE>> About the Webinar When most data architects think of data modeling, they think of Entity-Relationship modeling. But other notations exist for data modeling, and the UML has for many years been used by application developers and enterprise architects to describe data-centric systems. Is the divide […]
LDM Slides: UML for Data Modeling – When Does it Make Sense?
LDM Webinar: UML for Data Modeling – When Does it Make Sense? from DATAVERSITY To view just the slides from this presentation, click HERE>> About the Webinar When most data architects think of data modeling, they think of Entity-Relationship modeling. But other notations exist for data modeling, and the UML has for many years been […]
Data Modeling Lends a Hand to NoSQL Databases
Sectors such as banking, healthcare, and insurance are increasingly interested in NoSQL databases and Data Modeling for NoSQL. As they take their first or their next steps in the space, they want “to have the tools available to them that give credibility and legitimacy to the technology,” says Pascal Desmarets, Founder and CEO at Hackolade, […]
LDM Webinar: Data Modeling for Big Data
To view just the slides from this presentation, click HERE>> About the Webinar The recent focus on Big Data in the data management community brings with it a paradigm shift—from the more traditional top-down, “design then build” approach to data warehousing and business intelligence, to the more bottom up, “discover and analyze” approach to analytics […]
LDM Slides: Data Modeling for Big Data
Data Modeling for Big Data from DATAVERSITY To view the On Demand recording of this presentation, click HERE>> About the Webinar The recent focus on Big Data in the data management community brings with it a paradigm shift—from the more traditional top-down, “design then build” approach to data warehousing and business intelligence, to the more […]
A Database Reverse Engineering Case Study
Click here to learn more about author Michael Blaha. In a blog last year we discussed database archaeology, which is another name for database reverse engineering. Database reverse engineering is the inverse to normal development. We start with an application and work backwards to understand the software and infer its content. This month we’ll take a […]
erwin Data Modeling Named Top Solution by DBTA Readers
by Angela Guess According to a recent press release out of the company, “erwin Inc., the data management experts, today announced that, for the third year in a row, its Data Modeling solution has been named number one by readers of DBTA Magazine. ‘It is so validating to be selected as the number one data […]
Data-Ed Webinar: Best Practices with the DMM
To view just the slides from this presentation, click HERE>> About the Webinar The Data Management Maturity (DMM) model is a framework for the evaluation and assessment of an organization’s data management capabilities. The model allows an organization to evaluate its current state data management capabilities, discover gaps to remediate, and strengths to leverage. The […]
Data-Ed Slides: Best Practices with the DMM
Best Practices with the DMM from DATAVERSITY To view the On Demand recording of this presentation, click HERE>> About the Webinar The Data Management Maturity (DMM) model is a framework for the evaluation and assessment of an organization’s data management capabilities. The model allows an organization to evaluate its current state data management capabilities, discover […]