I often get into passionate discussions with data modelers on whether a logical data model (LDM) should contain foreign... Adding supertypes and subtypes to your logical data model (LDM) helps improve communication, enforce additional rules, and organize thought.... The data vault is a data warehouse design structure which varies from traditional data warehouse architecture in several ways including... Here are three observations I plan on making at Data Modeling Zone that summarize the last 12 months on... My brother was recently explaining Blockchain to me, and how it can revolutionize areas such as commerce and healthcare.... During a recent data modeling training class, someone asked based on my experience, can developers read entity/relationship diagrams? This question... An organization facing big data pressures is migrating from VSAM to MongoDB. Although VSAM is 1970s technology, it stores... Each attribute on our data model ends in a classword. For example, “Number” is the classword in Account Number,... The symbols we use on our data models were created with relational databases in mind. Luckily, conceptual and... You are the data modeler responsible for building a logical data model of an existing NoSQL MongoDB database. Your...Blogs
Foreign key on a logical data model?
Tips to spot subtypes and supertypes
Experience with the data vault
Observations on the data modeling profession
Impact of a global ledger
Can a developer read an entity/relationship diagram?
From VSAM to MongoDB
Unstructured data classwords
Evolutionary or revolutionary approach to modeling NoSQL?
Reverse Engineering a MongoDB Document
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