Stencils matching ‘data model’
Data Flow Diagram (SSADM)
The classic Structured Systems Analysis and Design Methodology by Chris Gane and Trish Sarson. SSADM is better known as Data Flow Diagrams. It is a simple and highly effective systems analysis and design (decomposition) methodology. It uses just four symbols, and it is excellent for communicating with non-technical users. A...more
Data Model (IDEF1X)
Allows you to draw IDEF1X-compliant Data Models (examine all five pages). IDEF1X is a methodology and standard (NIST/FIPS 184 in 1993) for modelling Relational databases. It emphasises and promotes data independence; proper use of keys; extensibility; quality; and ease of use, and produces a genuinely Relational database....more
django model planning stencils
Data model stencils designed with classic django colors.
Entity Data Modelling (EDM) Visual Elements
An Entity Data Model is the link between business data views and databases. It abstracts the underlying data structure and serves the data in a way that makes sense to the requesting application. Although RESTful services can self-document, it is almost always necessary to visualise the model graphically on a one-pager to...more
Entity Relation Diagram (ERD)
Allows you to draw simple Entity Relation Diagrams (the first page). ERDs are useful in the early stages of a project, especially if you are using formal approach such as Structured Systems Analysis and Design Methodology (for which there is a SSADM stencil) or IDEF0. I have added an extension, which allows indices to be...more